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Finding the Third Proportional to 2,708 and 6,932

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Solution

The third proportional to 2,708 and 6,932 is: 17,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708 : 6,932 = 6,932 : x
  2. Step 2: Convert to fraction form
    2,708/6,932 = 6,932/x
  3. Step 3: Cross multiply
    2,708x = 6,932 × 6,932
  4. Step 4: Simplify right side
    2,708x = 48,052,624
  5. Step 5: Solve for x
    x = 48,052,624/2,708
  6. Step 6: Final answer
    x = 17,744.69

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.