Find the third proportional to the following. 5and15
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Answered by
1
Answer:
The third proportional of two numbers a and b is defined to be that number c such that a : b = b : c. So you want to find a number c such that 5 : 15 = 15
Answered by
0
Answer:
30
Step-by-step explanation:
5 is proportional to 15 because 15 is a multiple of 5
5 X 3 = 15
similarly if we have to find a number proportional to 5 and 15 it should be a multiple of both 5 and 15
5 X 6 = 30
15 X 2 = 30
So a common multiple of 5 and 15 is 30
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