Question

find the third proportional to 36 42

Answer 1

let 3rd proportion x
so 36/42=42/x
and 36x =42 *42
and x=(42*42)/36
so after crossing out we get 7*7
that is 49 so answer is 49

Answer 2

Answer:

let the third proportion be x

Step-by-step explanation:

36:42=42:x

36/42=42/x

42*42=36x

1764=36x

1764/36=49

x=49

so the third proportion is 49....