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Finding the Third Proportional to 8,286 and 11,901

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Solution

The third proportional to 8,286 and 11,901 is: 17,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286 : 11,901 = 11,901 : x
  2. Step 2: Convert to fraction form
    8,286/11,901 = 11,901/x
  3. Step 3: Cross multiply
    8,286x = 11,901 × 11,901
  4. Step 4: Simplify right side
    8,286x = 141,633,801
  5. Step 5: Solve for x
    x = 141,633,801/8,286
  6. Step 6: Final answer
    x = 17,093.15

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.