Question

If 7:X::35:45, then X=?​

Answer 1

Product of means = Product of extremes

7:x :: 35:45

7 × 45 = x × 45

315 = x × 45

x = 315/45

x = 7

Answer 2

Step-by-step explanation:

7:X::35:45

7×45=X×35

45=X×35/7=5X

X=45/5=9

Hence X=9.