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Finding the Third Proportional to 6,975 and 8,199

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Solution

The third proportional to 6,975 and 8,199 is: 9,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975 : 8,199 = 8,199 : x
  2. Step 2: Convert to fraction form
    6,975/8,199 = 8,199/x
  3. Step 3: Cross multiply
    6,975x = 8,199 × 8,199
  4. Step 4: Simplify right side
    6,975x = 67,223,601
  5. Step 5: Solve for x
    x = 67,223,601/6,975
  6. Step 6: Final answer
    x = 9,637.79

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.