Why are the solutions to the proportions 50 over x = 10 over 20 and 10 over 50 = 20 over x the same?

Because the simplified fraction is the same and x=100

Explanation:

(c); a male black bear eats fish in an area of a lake, so other black bears can't

answer; and he had to live thus all alone on the brink of an abyss, with no one who understood or pitied him;