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Finding the Third Proportional to 63,663 and 133,725

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Solution

The third proportional to 63,663 and 133,725 is: 280,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663 : 133,725 = 133,725 : x
  2. Step 2: Convert to fraction form
    63,663/133,725 = 133,725/x
  3. Step 3: Cross multiply
    63,663x = 133,725 × 133,725
  4. Step 4: Simplify right side
    63,663x = 17,882,375,625
  5. Step 5: Solve for x
    x = 17,882,375,625/63,663
  6. Step 6: Final answer
    x = 280,891.19

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.