Finding the Third Proportional to 5,643 and 8,687
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Solution
The third proportional to 5,643 and 8,687 is: 13,373.02
Step by Step Solution
- Step 1: Write the proportion equation
5,643 : 8,687 = 8,687 : x - Step 2: Convert to fraction form
5,643/8,687 = 8,687/x - Step 3: Cross multiply
5,643x = 8,687 × 8,687 - Step 4: Simplify right side
5,643x = 75,463,969 - Step 5: Solve for x
x = 75,463,969/5,643 - Step 6: Final answer
x = 13,373.02
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.