Finding the Third Proportional to 4,686 and 7,313
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Solution
The third proportional to 4,686 and 7,313 is: 11,412.71
Step by Step Solution
- Step 1: Write the proportion equation
4,686 : 7,313 = 7,313 : x - Step 2: Convert to fraction form
4,686/7,313 = 7,313/x - Step 3: Cross multiply
4,686x = 7,313 × 7,313 - Step 4: Simplify right side
4,686x = 53,479,969 - Step 5: Solve for x
x = 53,479,969/4,686 - Step 6: Final answer
x = 11,412.71
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.