John buys a Pikachu model, which is $$19.6\textasciitilde\text{cm}$$ height. Mike buys another Pikachu model with different height. The ratio of John\textquotesingle s model height to Mike\textquotesingle s model height is $$2:3$$. What is the height of Mike\textquotesingle s Pikachu model? 
Overseas Competition->Knowledge Point->Calculation Modules->Ratios and Proportions