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Finding the Third Proportional to 514,917 and 1,121,372

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Solution

The third proportional to 514,917 and 1,121,372 is: 2,442,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,917 : 1,121,372 = 1,121,372 : x
  2. Step 2: Convert to fraction form
    514,917/1,121,372 = 1,121,372/x
  3. Step 3: Cross multiply
    514,917x = 1,121,372 × 1,121,372
  4. Step 4: Simplify right side
    514,917x = 1,257,475,162,384
  5. Step 5: Solve for x
    x = 1,257,475,162,384/514,917
  6. Step 6: Final answer
    x = 2,442,092.92

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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.