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Finding the Third Proportional to 8,936 and 13,884

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Solution

The third proportional to 8,936 and 13,884 is: 21,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936 : 13,884 = 13,884 : x
  2. Step 2: Convert to fraction form
    8,936/13,884 = 13,884/x
  3. Step 3: Cross multiply
    8,936x = 13,884 × 13,884
  4. Step 4: Simplify right side
    8,936x = 192,765,456
  5. Step 5: Solve for x
    x = 192,765,456/8,936
  6. Step 6: Final answer
    x = 21,571.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.