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Finding the Third Proportional to 250,764 and 388,449

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Solution

The third proportional to 250,764 and 388,449 is: 601,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,764 : 388,449 = 388,449 : x
  2. Step 2: Convert to fraction form
    250,764/388,449 = 388,449/x
  3. Step 3: Cross multiply
    250,764x = 388,449 × 388,449
  4. Step 4: Simplify right side
    250,764x = 150,892,625,601
  5. Step 5: Solve for x
    x = 150,892,625,601/250,764
  6. Step 6: Final answer
    x = 601,731.61

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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.