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Finding the Third Proportional to 126,366 and 274,874

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Solution

The third proportional to 126,366 and 274,874 is: 597,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366 : 274,874 = 274,874 : x
  2. Step 2: Convert to fraction form
    126,366/274,874 = 274,874/x
  3. Step 3: Cross multiply
    126,366x = 274,874 × 274,874
  4. Step 4: Simplify right side
    126,366x = 75,555,715,876
  5. Step 5: Solve for x
    x = 75,555,715,876/126,366
  6. Step 6: Final answer
    x = 597,911.75

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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.