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Finding the Third Proportional to 155,581.38 and 339,437.46

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Solution

The third proportional to 155,581.38 and 339,437.46 is: 740,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,581.38 : 339,437.46 = 339,437.46 : x
  2. Step 2: Convert to fraction form
    155,581.38/339,437.46 = 339,437.46/x
  3. Step 3: Cross multiply
    155,581.38x = 339,437.46 × 339,437.46
  4. Step 4: Simplify right side
    155,581.38x = 115,217,789,887.70
  5. Step 5: Solve for x
    x = 115,217,789,887.70/155,581.38
  6. Step 6: Final answer
    x = 740,562.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.