1. A method to rank media for a product of interest, comprising: (a) identifying, with a processor, households in which the product of interest was purchased; (b) calculating, with the processor, consumption factors for respective ones of the households based on a consumption total of the product of interest for the corresponding household and a household weight; (c) selecting first candidate media of interest; (d) calculating a rating value indicative of a relevance of the product of interest to the candidate media of interest based on the mathematical product of the consumption factor and a viewing time for corresponding ones of the households; (e) repeating (c) and (d) for second media; and (f) ranking the first and second media for the product of interest.