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Finding the Third Proportional to 83,480 and 125,256

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Solution

The third proportional to 83,480 and 125,256 is: 187,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480 : 125,256 = 125,256 : x
  2. Step 2: Convert to fraction form
    83,480/125,256 = 125,256/x
  3. Step 3: Cross multiply
    83,480x = 125,256 × 125,256
  4. Step 4: Simplify right side
    83,480x = 15,689,065,536
  5. Step 5: Solve for x
    x = 15,689,065,536/83,480
  6. Step 6: Final answer
    x = 187,938.02

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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.