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Finding the Third Proportional to 131,908 and 204,603

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Solution

The third proportional to 131,908 and 204,603 is: 317,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908 : 204,603 = 204,603 : x
  2. Step 2: Convert to fraction form
    131,908/204,603 = 204,603/x
  3. Step 3: Cross multiply
    131,908x = 204,603 × 204,603
  4. Step 4: Simplify right side
    131,908x = 41,862,387,609
  5. Step 5: Solve for x
    x = 41,862,387,609/131,908
  6. Step 6: Final answer
    x = 317,360.49

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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.