Question

If the 3 proportional to 7 and X is 28 , find the value of X​

Answer 1

Answer:

according to the question,

7/x=x/28

or,x^2=28*7

or,x=14

Answer 2

Answer:

3 proportional to 7 and X is 28

so ,

$7 \div x = x \div 28 \\ or \: {x}^{2} = 2 \times 2 \times 7 \times 7 \\ or \: x = 14 \\ \\ \\ so \: x = 14$