Finding the Third Proportional to 2,687 and 5,542
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Solution
The third proportional to 2,687 and 5,542 is: 11,430.50
Step by Step Solution
- Step 1: Write the proportion equation
2,687 : 5,542 = 5,542 : x - Step 2: Convert to fraction form
2,687/5,542 = 5,542/x - Step 3: Cross multiply
2,687x = 5,542 × 5,542 - Step 4: Simplify right side
2,687x = 30,713,764 - Step 5: Solve for x
x = 30,713,764/2,687 - Step 6: Final answer
x = 11,430.50
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.