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Finding the Third Proportional to 131,545.50 and 284,140.88

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Solution

The third proportional to 131,545.50 and 284,140.88 is: 613,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,545.50 : 284,140.88 = 284,140.88 : x
  2. Step 2: Convert to fraction form
    131,545.50/284,140.88 = 284,140.88/x
  3. Step 3: Cross multiply
    131,545.50x = 284,140.88 × 284,140.88
  4. Step 4: Simplify right side
    131,545.50x = 80,736,036,845.77
  5. Step 5: Solve for x
    x = 80,736,036,845.77/131,545.50
  6. Step 6: Final answer
    x = 613,749.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.