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Finding the Third Proportional to 8,805.50 and 11,993

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Solution

The third proportional to 8,805.50 and 11,993 is: 16,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.50 : 11,993 = 11,993 : x
  2. Step 2: Convert to fraction form
    8,805.50/11,993 = 11,993/x
  3. Step 3: Cross multiply
    8,805.50x = 11,993 × 11,993
  4. Step 4: Simplify right side
    8,805.50x = 143,832,049
  5. Step 5: Solve for x
    x = 143,832,049/8,805.50
  6. Step 6: Final answer
    x = 16,334.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.