text: Aaron Ramsey was relieved after Arsenal ground their way past Reading in extra time to return to the FA Cup final. Alexis Sanchez's two goals, the second via a howler from Reading goalkeeper Adam Federici, saw the defending champions through despite Garath McCleary's goal for the Royals. Ramsey told BBC One: 'We knew it was going to be a tough game, they showed great character to come back into it and we were on the ropes at times. Aaron Ramsey was relieved after Arsenal fought their way past Reading in extra time to reach the final . Ramsey waves to Arsenal fans having swapped shirts with Reading player and friend Chris Gunter . 'Obviously we had a bit of luck in the last goal but we're delighted to be going through to another Wembley final. 'Reading made us work for it but we got through in the end. It doesn't matter how, we're in another final.' Federici left the field in tears after fumbling Sanchez's shot through his legs and over the line for the clinching goal. And Ramsey said: 'I've felt the experience of losing in a final and it's not a nice feeling. I have sympathy with him but unfortunately a team has to lose and happily for us it was Reading today.' Alexis Sanchez's low shot squirmed agonisingly through the legs of Reading goalkeeper Adam Federici . Federici tries to stop the ball going over the line after it rolled through his legs and out of his grasp . The Reading goalkeeper, who had been magnificent until then, left the field in tears at the final whistle . Arsenal manager Arsene Wenger (centre) gives instructions out to his team before the beginning of extra time . Manager Arsene Wenger said: 'It was tough, they defended well, we didn't find our stride and struggled to win the 50-50s. 'They were on a different planet, motivation-wise, to what we have seen on tape. It's the occasion of their lives, they wouldn't give up until the end. 'When you're in a final you can win, you want to win it - let's prepare well, finish well in the league, come back here and we'll do everything to win it.' Sanchez turns away in celebration as Reading's players lay crumpled on the ground after conceding . Sanchez (right)  celebrates alongside team-mate Keiran Gibbs after scoring for Arsenal against Reading .
target: A howler from Reading goalkeeper Adam Federici helped Arsenal progress .
  Federici let a late effort squirm through his legs and in during extra-time .
  He left the field in tears after fumbling Sanchez's shot through his legs .
  Aaron Ramsey will be hoping to taste more FA Cup success in the final .