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Finding the Third Proportional to 20,017 and 25,975

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Solution

The third proportional to 20,017 and 25,975 is: 33,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017 : 25,975 = 25,975 : x
  2. Step 2: Convert to fraction form
    20,017/25,975 = 25,975/x
  3. Step 3: Cross multiply
    20,017x = 25,975 × 25,975
  4. Step 4: Simplify right side
    20,017x = 674,700,625
  5. Step 5: Solve for x
    x = 674,700,625/20,017
  6. Step 6: Final answer
    x = 33,706.38

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.