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Finding the Third Proportional to 6,612 and 8,908

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Solution

The third proportional to 6,612 and 8,908 is: 12,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612 : 8,908 = 8,908 : x
  2. Step 2: Convert to fraction form
    6,612/8,908 = 8,908/x
  3. Step 3: Cross multiply
    6,612x = 8,908 × 8,908
  4. Step 4: Simplify right side
    6,612x = 79,352,464
  5. Step 5: Solve for x
    x = 79,352,464/6,612
  6. Step 6: Final answer
    x = 12,001.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.