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Finding the Third Proportional to 20,021 and 29,923

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Solution

The third proportional to 20,021 and 29,923 is: 44,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021 : 29,923 = 29,923 : x
  2. Step 2: Convert to fraction form
    20,021/29,923 = 29,923/x
  3. Step 3: Cross multiply
    20,021x = 29,923 × 29,923
  4. Step 4: Simplify right side
    20,021x = 895,385,929
  5. Step 5: Solve for x
    x = 895,385,929/20,021
  6. Step 6: Final answer
    x = 44,722.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.