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Finding the Third Proportional to 20,442 and 29,901

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Solution

The third proportional to 20,442 and 29,901 is: 43,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442 : 29,901 = 29,901 : x
  2. Step 2: Convert to fraction form
    20,442/29,901 = 29,901/x
  3. Step 3: Cross multiply
    20,442x = 29,901 × 29,901
  4. Step 4: Simplify right side
    20,442x = 894,069,801
  5. Step 5: Solve for x
    x = 894,069,801/20,442
  6. Step 6: Final answer
    x = 43,736.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.