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Finding the Third Proportional to 6,384 and 11,892

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Solution

The third proportional to 6,384 and 11,892 is: 22,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384 : 11,892 = 11,892 : x
  2. Step 2: Convert to fraction form
    6,384/11,892 = 11,892/x
  3. Step 3: Cross multiply
    6,384x = 11,892 × 11,892
  4. Step 4: Simplify right side
    6,384x = 141,419,664
  5. Step 5: Solve for x
    x = 141,419,664/6,384
  6. Step 6: Final answer
    x = 22,152.20

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.