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Finding the Third Proportional to 6,690 and 10,067

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Solution

The third proportional to 6,690 and 10,067 is: 15,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690 : 10,067 = 10,067 : x
  2. Step 2: Convert to fraction form
    6,690/10,067 = 10,067/x
  3. Step 3: Cross multiply
    6,690x = 10,067 × 10,067
  4. Step 4: Simplify right side
    6,690x = 101,344,489
  5. Step 5: Solve for x
    x = 101,344,489/6,690
  6. Step 6: Final answer
    x = 15,148.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.