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).
1. countable noun. 1  A proportion of a group or an amount is a part of it. 2  The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things in the group. The proportion of women in the profession had risen to 17.3%. The radio station has to include a substantial proportion of classical music.