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Finding the Third Proportional to 126,882 and 276,366

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Solution

The third proportional to 126,882 and 276,366 is: 601,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882 : 276,366 = 276,366 : x
  2. Step 2: Convert to fraction form
    126,882/276,366 = 276,366/x
  3. Step 3: Cross multiply
    126,882x = 276,366 × 276,366
  4. Step 4: Simplify right side
    126,882x = 76,378,165,956
  5. Step 5: Solve for x
    x = 76,378,165,956/126,882
  6. Step 6: Final answer
    x = 601,962.18

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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.