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Finding the Third Proportional to 131,589 and 199,845

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Solution

The third proportional to 131,589 and 199,845 is: 303,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,589 : 199,845 = 199,845 : x
  2. Step 2: Convert to fraction form
    131,589/199,845 = 199,845/x
  3. Step 3: Cross multiply
    131,589x = 199,845 × 199,845
  4. Step 4: Simplify right side
    131,589x = 39,938,024,025
  5. Step 5: Solve for x
    x = 39,938,024,025/131,589
  6. Step 6: Final answer
    x = 303,505.79

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.