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Finding the Third Proportional to 20,115 and 29,568

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Solution

The third proportional to 20,115 and 29,568 is: 43,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115 : 29,568 = 29,568 : x
  2. Step 2: Convert to fraction form
    20,115/29,568 = 29,568/x
  3. Step 3: Cross multiply
    20,115x = 29,568 × 29,568
  4. Step 4: Simplify right side
    20,115x = 874,266,624
  5. Step 5: Solve for x
    x = 874,266,624/20,115
  6. Step 6: Final answer
    x = 43,463.42

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.