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Finding the Third Proportional to 8,664 and 18,192

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Solution

The third proportional to 8,664 and 18,192 is: 38,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664 : 18,192 = 18,192 : x
  2. Step 2: Convert to fraction form
    8,664/18,192 = 18,192/x
  3. Step 3: Cross multiply
    8,664x = 18,192 × 18,192
  4. Step 4: Simplify right side
    8,664x = 330,948,864
  5. Step 5: Solve for x
    x = 330,948,864/8,664
  6. Step 6: Final answer
    x = 38,198.16

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.