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Finding the Third Proportional to 54,337.50 and 81,192.38

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Solution

The third proportional to 54,337.50 and 81,192.38 is: 121,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.50 : 81,192.38 = 81,192.38 : x
  2. Step 2: Convert to fraction form
    54,337.50/81,192.38 = 81,192.38/x
  3. Step 3: Cross multiply
    54,337.50x = 81,192.38 × 81,192.38
  4. Step 4: Simplify right side
    54,337.50x = 6,592,201,758.14
  5. Step 5: Solve for x
    x = 6,592,201,758.14/54,337.50
  6. Step 6: Final answer
    x = 121,319.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.