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Finding the Third Proportional to 63,757.50 and 93,872

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Solution

The third proportional to 63,757.50 and 93,872 is: 138,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,757.50 : 93,872 = 93,872 : x
  2. Step 2: Convert to fraction form
    63,757.50/93,872 = 93,872/x
  3. Step 3: Cross multiply
    63,757.50x = 93,872 × 93,872
  4. Step 4: Simplify right side
    63,757.50x = 8,811,952,384
  5. Step 5: Solve for x
    x = 8,811,952,384/63,757.50
  6. Step 6: Final answer
    x = 138,210.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.