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Finding the Third Proportional to 100,551.38 and 155,545.31

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Solution

The third proportional to 100,551.38 and 155,545.31 is: 240,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.38 : 155,545.31 = 155,545.31 : x
  2. Step 2: Convert to fraction form
    100,551.38/155,545.31 = 155,545.31/x
  3. Step 3: Cross multiply
    100,551.38x = 155,545.31 × 155,545.31
  4. Step 4: Simplify right side
    100,551.38x = 24,194,344,240.72
  5. Step 5: Solve for x
    x = 24,194,344,240.72/100,551.38
  6. Step 6: Final answer
    x = 240,616.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.