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Finding the Third Proportional to 3,993 and 8,568

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Solution

The third proportional to 3,993 and 8,568 is: 18,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993 : 8,568 = 8,568 : x
  2. Step 2: Convert to fraction form
    3,993/8,568 = 8,568/x
  3. Step 3: Cross multiply
    3,993x = 8,568 × 8,568
  4. Step 4: Simplify right side
    3,993x = 73,410,624
  5. Step 5: Solve for x
    x = 73,410,624/3,993
  6. Step 6: Final answer
    x = 18,384.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.