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Finding the Third Proportional to 56,680 and 83,292

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Solution

The third proportional to 56,680 and 83,292 is: 122,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680 : 83,292 = 83,292 : x
  2. Step 2: Convert to fraction form
    56,680/83,292 = 83,292/x
  3. Step 3: Cross multiply
    56,680x = 83,292 × 83,292
  4. Step 4: Simplify right side
    56,680x = 6,937,557,264
  5. Step 5: Solve for x
    x = 6,937,557,264/56,680
  6. Step 6: Final answer
    x = 122,398.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.