Question

The first,second and fourth terms of a proportion are5,15 and 90 respectively. Then the third terms is equal to

Answer 1

Answer:

Step-by-step explanation:

5:15::c:90

Product of means=product of extremes

15*c=450

c=30

5:15 = 1:3

30:90 = 1:3

therefore, the third terms is equal to  5

Answer 2

5:15::x:90
5x90=15x
450=15x
X=30
Hope this helps you:-)