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Finding the Third Proportional to 16,676 and 25,438

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Solution

The third proportional to 16,676 and 25,438 is: 38,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676 : 25,438 = 25,438 : x
  2. Step 2: Convert to fraction form
    16,676/25,438 = 25,438/x
  3. Step 3: Cross multiply
    16,676x = 25,438 × 25,438
  4. Step 4: Simplify right side
    16,676x = 647,091,844
  5. Step 5: Solve for x
    x = 647,091,844/16,676
  6. Step 6: Final answer
    x = 38,803.78

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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.