The ratio of a to c based on the given proportions is 1:2
Ratio and proportion
Ratio are written as fractions. Given the following ratios
a:b = 1:6 b:c = 3:1
This can be expressed as fractions as shown:
a/b = 1/6 and b/c = 3/1
Cross multiply
6a = b and b = 3c
Equate both equations to have
6a = 3c
a/c =3/6
a/c =1/2
Hence the ratio of a to c based on the given proportions is 1:2
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