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Finding the Third Proportional to 85,711.50 and 133,234.88

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Solution

The third proportional to 85,711.50 and 133,234.88 is: 207,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,711.50 : 133,234.88 = 133,234.88 : x
  2. Step 2: Convert to fraction form
    85,711.50/133,234.88 = 133,234.88/x
  3. Step 3: Cross multiply
    85,711.50x = 133,234.88 × 133,234.88
  4. Step 4: Simplify right side
    85,711.50x = 17,751,531,916.27
  5. Step 5: Solve for x
    x = 17,751,531,916.27/85,711.50
  6. Step 6: Final answer
    x = 207,107.94

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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.