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Finding the Third Proportional to 60,781 and 131,282

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Solution

The third proportional to 60,781 and 131,282 is: 283,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,781 : 131,282 = 131,282 : x
  2. Step 2: Convert to fraction form
    60,781/131,282 = 131,282/x
  3. Step 3: Cross multiply
    60,781x = 131,282 × 131,282
  4. Step 4: Simplify right side
    60,781x = 17,234,963,524
  5. Step 5: Solve for x
    x = 17,234,963,524/60,781
  6. Step 6: Final answer
    x = 283,558.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.