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Finding the Third Proportional to 6,882 and 11,080

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Solution

The third proportional to 6,882 and 11,080 is: 17,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882 : 11,080 = 11,080 : x
  2. Step 2: Convert to fraction form
    6,882/11,080 = 11,080/x
  3. Step 3: Cross multiply
    6,882x = 11,080 × 11,080
  4. Step 4: Simplify right side
    6,882x = 122,766,400
  5. Step 5: Solve for x
    x = 122,766,400/6,882
  6. Step 6: Final answer
    x = 17,838.77

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.