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Finding the Third Proportional to 62,545.50 and 127,638

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Solution

The third proportional to 62,545.50 and 127,638 is: 260,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,545.50 : 127,638 = 127,638 : x
  2. Step 2: Convert to fraction form
    62,545.50/127,638 = 127,638/x
  3. Step 3: Cross multiply
    62,545.50x = 127,638 × 127,638
  4. Step 4: Simplify right side
    62,545.50x = 16,291,459,044
  5. Step 5: Solve for x
    x = 16,291,459,044/62,545.50
  6. Step 6: Final answer
    x = 260,473.72

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.