Find the third proportional of 1/7 and 3/14
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Answered by
60
If three numbers are in proportion,
ac=b²
:.1/7*c=(3/14)²
:.1/7*c=9/196
:.c=9*7/196
:.c=63/196
=9/28
ac=b²
:.1/7*c=(3/14)²
:.1/7*c=9/196
:.c=9*7/196
:.c=63/196
=9/28
Answered by
49
ANSWER:
The third proportional of two numbers a and b is defined to be that number c such that a : b = b : c.
Let the 3rd proportion of 1/7 and 3/14 be x.
==>1/7÷3/14:3/14÷x.
==>x=9/28.
The third proportional of two numbers a and b is defined to be that number c such that a : b = b : c.
Let the 3rd proportion of 1/7 and 3/14 be x.
==>1/7÷3/14:3/14÷x.
==>x=9/28.
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