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Finding the Third Proportional to 63,920 and 95,515

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Solution

The third proportional to 63,920 and 95,515 is: 142,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920 : 95,515 = 95,515 : x
  2. Step 2: Convert to fraction form
    63,920/95,515 = 95,515/x
  3. Step 3: Cross multiply
    63,920x = 95,515 × 95,515
  4. Step 4: Simplify right side
    63,920x = 9,123,115,225
  5. Step 5: Solve for x
    x = 9,123,115,225/63,920
  6. Step 6: Final answer
    x = 142,727.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.