Question

The value of x in 9:15 ::x : 45 is​

Answer 1

$\frac{9}{15} = \frac{x}{45} \\ \\ = > x = \frac{ 9\times45 }{15} \\ \\ = > x = 27$

Answer 2

Answer:

9:15::x:45

9×45 = 15x

9×45/15 = x

9×3 = x

x = 27