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Finding the Third Proportional to 132,279.75 and 199,613.25

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Solution

The third proportional to 132,279.75 and 199,613.25 is: 301,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.75 : 199,613.25 = 199,613.25 : x
  2. Step 2: Convert to fraction form
    132,279.75/199,613.25 = 199,613.25/x
  3. Step 3: Cross multiply
    132,279.75x = 199,613.25 × 199,613.25
  4. Step 4: Simplify right side
    132,279.75x = 39,845,449,575.56
  5. Step 5: Solve for x
    x = 39,845,449,575.56/132,279.75
  6. Step 6: Final answer
    x = 301,221.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.