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Finding the Third Proportional to 6,878 and 9,249

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Solution

The third proportional to 6,878 and 9,249 is: 12,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878 : 9,249 = 9,249 : x
  2. Step 2: Convert to fraction form
    6,878/9,249 = 9,249/x
  3. Step 3: Cross multiply
    6,878x = 9,249 × 9,249
  4. Step 4: Simplify right side
    6,878x = 85,544,001
  5. Step 5: Solve for x
    x = 85,544,001/6,878
  6. Step 6: Final answer
    x = 12,437.34

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.