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Finding the Third Proportional to 83,460 and 125,142

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Solution

The third proportional to 83,460 and 125,142 is: 187,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,460 : 125,142 = 125,142 : x
  2. Step 2: Convert to fraction form
    83,460/125,142 = 125,142/x
  3. Step 3: Cross multiply
    83,460x = 125,142 × 125,142
  4. Step 4: Simplify right side
    83,460x = 15,660,520,164
  5. Step 5: Solve for x
    x = 15,660,520,164/83,460
  6. Step 6: Final answer
    x = 187,641.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.