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Finding the Third Proportional to 127,281.38 and 251,350.88

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Solution

The third proportional to 127,281.38 and 251,350.88 is: 496,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281.38 : 251,350.88 = 251,350.88 : x
  2. Step 2: Convert to fraction form
    127,281.38/251,350.88 = 251,350.88/x
  3. Step 3: Cross multiply
    127,281.38x = 251,350.88 × 251,350.88
  4. Step 4: Simplify right side
    127,281.38x = 63,177,262,363.27
  5. Step 5: Solve for x
    x = 63,177,262,363.27/127,281.38
  6. Step 6: Final answer
    x = 496,359.05

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.