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Finding the Third Proportional to 8,910 and 11,956

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Solution

The third proportional to 8,910 and 11,956 is: 16,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910 : 11,956 = 11,956 : x
  2. Step 2: Convert to fraction form
    8,910/11,956 = 11,956/x
  3. Step 3: Cross multiply
    8,910x = 11,956 × 11,956
  4. Step 4: Simplify right side
    8,910x = 142,945,936
  5. Step 5: Solve for x
    x = 142,945,936/8,910
  6. Step 6: Final answer
    x = 16,043.31

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.