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Finding the Third Proportional to 8,334 and 18,156

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Solution

The third proportional to 8,334 and 18,156 is: 39,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334 : 18,156 = 18,156 : x
  2. Step 2: Convert to fraction form
    8,334/18,156 = 18,156/x
  3. Step 3: Cross multiply
    8,334x = 18,156 × 18,156
  4. Step 4: Simplify right side
    8,334x = 329,640,336
  5. Step 5: Solve for x
    x = 329,640,336/8,334
  6. Step 6: Final answer
    x = 39,553.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.