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Finding the Third Proportional to 20,738 and 29,569

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Solution

The third proportional to 20,738 and 29,569 is: 42,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738 : 29,569 = 29,569 : x
  2. Step 2: Convert to fraction form
    20,738/29,569 = 29,569/x
  3. Step 3: Cross multiply
    20,738x = 29,569 × 29,569
  4. Step 4: Simplify right side
    20,738x = 874,325,761
  5. Step 5: Solve for x
    x = 874,325,761/20,738
  6. Step 6: Final answer
    x = 42,160.56

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.