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Finding the Third Proportional to 38,514 and 79,932

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Solution

The third proportional to 38,514 and 79,932 is: 165,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514 : 79,932 = 79,932 : x
  2. Step 2: Convert to fraction form
    38,514/79,932 = 79,932/x
  3. Step 3: Cross multiply
    38,514x = 79,932 × 79,932
  4. Step 4: Simplify right side
    38,514x = 6,389,124,624
  5. Step 5: Solve for x
    x = 6,389,124,624/38,514
  6. Step 6: Final answer
    x = 165,890.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.