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Finding the Third Proportional to 131,801 and 204,255.75

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Solution

The third proportional to 131,801 and 204,255.75 is: 316,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801 : 204,255.75 = 204,255.75 : x
  2. Step 2: Convert to fraction form
    131,801/204,255.75 = 204,255.75/x
  3. Step 3: Cross multiply
    131,801x = 204,255.75 × 204,255.75
  4. Step 4: Simplify right side
    131,801x = 41,720,411,408.06
  5. Step 5: Solve for x
    x = 41,720,411,408.06/131,801
  6. Step 6: Final answer
    x = 316,540.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.