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Finding the Third Proportional to 38,151 and 80,676

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Solution

The third proportional to 38,151 and 80,676 is: 170,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151 : 80,676 = 80,676 : x
  2. Step 2: Convert to fraction form
    38,151/80,676 = 80,676/x
  3. Step 3: Cross multiply
    38,151x = 80,676 × 80,676
  4. Step 4: Simplify right side
    38,151x = 6,508,616,976
  5. Step 5: Solve for x
    x = 6,508,616,976/38,151
  6. Step 6: Final answer
    x = 170,601.48

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.