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Finding the Third Proportional to 16,668 and 25,452

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Solution

The third proportional to 16,668 and 25,452 is: 38,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668 : 25,452 = 25,452 : x
  2. Step 2: Convert to fraction form
    16,668/25,452 = 25,452/x
  3. Step 3: Cross multiply
    16,668x = 25,452 × 25,452
  4. Step 4: Simplify right side
    16,668x = 647,804,304
  5. Step 5: Solve for x
    x = 647,804,304/16,668
  6. Step 6: Final answer
    x = 38,865.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.