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Finding the Third Proportional to 20,932 and 29,758

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Solution

The third proportional to 20,932 and 29,758 is: 42,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932 : 29,758 = 29,758 : x
  2. Step 2: Convert to fraction form
    20,932/29,758 = 29,758/x
  3. Step 3: Cross multiply
    20,932x = 29,758 × 29,758
  4. Step 4: Simplify right side
    20,932x = 885,538,564
  5. Step 5: Solve for x
    x = 885,538,564/20,932
  6. Step 6: Final answer
    x = 42,305.49

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.