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Finding the Third Proportional to 126,449 and 272,502

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Solution

The third proportional to 126,449 and 272,502 is: 587,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,449 : 272,502 = 272,502 : x
  2. Step 2: Convert to fraction form
    126,449/272,502 = 272,502/x
  3. Step 3: Cross multiply
    126,449x = 272,502 × 272,502
  4. Step 4: Simplify right side
    126,449x = 74,257,340,004
  5. Step 5: Solve for x
    x = 74,257,340,004/126,449
  6. Step 6: Final answer
    x = 587,251.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.