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Finding the Third Proportional to 18,488 and 32,868

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Solution

The third proportional to 18,488 and 32,868 is: 58,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488 : 32,868 = 32,868 : x
  2. Step 2: Convert to fraction form
    18,488/32,868 = 32,868/x
  3. Step 3: Cross multiply
    18,488x = 32,868 × 32,868
  4. Step 4: Simplify right side
    18,488x = 1,080,305,424
  5. Step 5: Solve for x
    x = 1,080,305,424/18,488
  6. Step 6: Final answer
    x = 58,432.79

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.