This paper explains the characteristics of Transverse Mercator projections, the relationship of plane grids to USGS map cells, and the reasons DRG's and other USGS digital products are projected on the UTM.
âº If two amounts are proportional, they change at the same rate so that the relationship between them does not change: 1  Weight is proportional to size. 2  How far you go is directly proportional to how fast you go (= as one thing increases, the other increases at exactly the same rate).
Ratio Definition. In mathematics, a ratio is a numerical comparison of 2 or more quantities which indicates their relative sizes. It can be considered as a way of comparing numbers by division. In a ratio of two numbers, the first value is termed the ancedent and the second number is the consequent. Ratios in Daily Life