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Finding the Third Proportional to 122,853 and 267,940

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Solution

The third proportional to 122,853 and 267,940 is: 584,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,853 : 267,940 = 267,940 : x
  2. Step 2: Convert to fraction form
    122,853/267,940 = 267,940/x
  3. Step 3: Cross multiply
    122,853x = 267,940 × 267,940
  4. Step 4: Simplify right side
    122,853x = 71,791,843,600
  5. Step 5: Solve for x
    x = 71,791,843,600/122,853
  6. Step 6: Final answer
    x = 584,371.92

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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.