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).
sum, total, amount - a quantity obtained by the addition of a group of numbers. proportional - one of the quantities in a mathematical proportion. binomial - (mathematics) a quantity expressed as a sum or difference of two terms; a polynomial with two terms.