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Finding the Third Proportional to 16,762 and 36,872

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Solution

The third proportional to 16,762 and 36,872 is: 81,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762 : 36,872 = 36,872 : x
  2. Step 2: Convert to fraction form
    16,762/36,872 = 36,872/x
  3. Step 3: Cross multiply
    16,762x = 36,872 × 36,872
  4. Step 4: Simplify right side
    16,762x = 1,359,544,384
  5. Step 5: Solve for x
    x = 1,359,544,384/16,762
  6. Step 6: Final answer
    x = 81,108.72

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.