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Finding the Third Proportional to 16,982 and 19,448

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Solution

The third proportional to 16,982 and 19,448 is: 22,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982 : 19,448 = 19,448 : x
  2. Step 2: Convert to fraction form
    16,982/19,448 = 19,448/x
  3. Step 3: Cross multiply
    16,982x = 19,448 × 19,448
  4. Step 4: Simplify right side
    16,982x = 378,224,704
  5. Step 5: Solve for x
    x = 378,224,704/16,982
  6. Step 6: Final answer
    x = 22,272.09

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.