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Finding the Third Proportional to 103,659 and 225,755

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Solution

The third proportional to 103,659 and 225,755 is: 491,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,659 : 225,755 = 225,755 : x
  2. Step 2: Convert to fraction form
    103,659/225,755 = 225,755/x
  3. Step 3: Cross multiply
    103,659x = 225,755 × 225,755
  4. Step 4: Simplify right side
    103,659x = 50,965,320,025
  5. Step 5: Solve for x
    x = 50,965,320,025/103,659
  6. Step 6: Final answer
    x = 491,663.24

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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.