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Finding the Third Proportional to 6,876 and 15,228

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Solution

The third proportional to 6,876 and 15,228 is: 33,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876 : 15,228 = 15,228 : x
  2. Step 2: Convert to fraction form
    6,876/15,228 = 15,228/x
  3. Step 3: Cross multiply
    6,876x = 15,228 × 15,228
  4. Step 4: Simplify right side
    6,876x = 231,891,984
  5. Step 5: Solve for x
    x = 231,891,984/6,876
  6. Step 6: Final answer
    x = 33,724.84

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.