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Finding the Third Proportional to 20,112 and 25,548

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Solution

The third proportional to 20,112 and 25,548 is: 32,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112 : 25,548 = 25,548 : x
  2. Step 2: Convert to fraction form
    20,112/25,548 = 25,548/x
  3. Step 3: Cross multiply
    20,112x = 25,548 × 25,548
  4. Step 4: Simplify right side
    20,112x = 652,700,304
  5. Step 5: Solve for x
    x = 652,700,304/20,112
  6. Step 6: Final answer
    x = 32,453.28

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.