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Finding the Third Proportional to 8,108 and 11,851

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Solution

The third proportional to 8,108 and 11,851 is: 17,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108 : 11,851 = 11,851 : x
  2. Step 2: Convert to fraction form
    8,108/11,851 = 11,851/x
  3. Step 3: Cross multiply
    8,108x = 11,851 × 11,851
  4. Step 4: Simplify right side
    8,108x = 140,446,201
  5. Step 5: Solve for x
    x = 140,446,201/8,108
  6. Step 6: Final answer
    x = 17,321.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.