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Finding the Third Proportional to 6,693 and 7,665

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Solution

The third proportional to 6,693 and 7,665 is: 8,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693 : 7,665 = 7,665 : x
  2. Step 2: Convert to fraction form
    6,693/7,665 = 7,665/x
  3. Step 3: Cross multiply
    6,693x = 7,665 × 7,665
  4. Step 4: Simplify right side
    6,693x = 58,752,225
  5. Step 5: Solve for x
    x = 58,752,225/6,693
  6. Step 6: Final answer
    x = 8,778.16

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.