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Finding the Third Proportional to 621,654.75 and 736,472.25

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Solution

The third proportional to 621,654.75 and 736,472.25 is: 872,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,654.75 : 736,472.25 = 736,472.25 : x
  2. Step 2: Convert to fraction form
    621,654.75/736,472.25 = 736,472.25/x
  3. Step 3: Cross multiply
    621,654.75x = 736,472.25 × 736,472.25
  4. Step 4: Simplify right side
    621,654.75x = 542,391,375,020.06
  5. Step 5: Solve for x
    x = 542,391,375,020.06/621,654.75
  6. Step 6: Final answer
    x = 872,496.15

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.