Question

let us fined the 3rd proportional of the following positive number : 5, 10​

Answer 1

Answer:

20

Step-by-step explanation:

Let the third proportional be x.

5 : 10 : : 10 : x

In Proportion,

Product of extreme terms = Product of mean terms

Extreme terms = 5 and x

Mean terms = 10 and 10

=> 5 × x = 10 × 10

=> x = 100/5

=> x = 20

Therefore, the third proportional is 20.