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Finding the Third Proportional to 14,172 and 21,474

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Solution

The third proportional to 14,172 and 21,474 is: 32,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172 : 21,474 = 21,474 : x
  2. Step 2: Convert to fraction form
    14,172/21,474 = 21,474/x
  3. Step 3: Cross multiply
    14,172x = 21,474 × 21,474
  4. Step 4: Simplify right side
    14,172x = 461,132,676
  5. Step 5: Solve for x
    x = 461,132,676/14,172
  6. Step 6: Final answer
    x = 32,538.29

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.