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Finding the Third Proportional to 21,086 and 32,542

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Solution

The third proportional to 21,086 and 32,542 is: 50,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086 : 32,542 = 32,542 : x
  2. Step 2: Convert to fraction form
    21,086/32,542 = 32,542/x
  3. Step 3: Cross multiply
    21,086x = 32,542 × 32,542
  4. Step 4: Simplify right side
    21,086x = 1,058,981,764
  5. Step 5: Solve for x
    x = 1,058,981,764/21,086
  6. Step 6: Final answer
    x = 50,222.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.