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Finding the Third Proportional to 131,808 and 204,267

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Solution

The third proportional to 131,808 and 204,267 is: 316,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808 : 204,267 = 204,267 : x
  2. Step 2: Convert to fraction form
    131,808/204,267 = 204,267/x
  3. Step 3: Cross multiply
    131,808x = 204,267 × 204,267
  4. Step 4: Simplify right side
    131,808x = 41,725,007,289
  5. Step 5: Solve for x
    x = 41,725,007,289/131,808
  6. Step 6: Final answer
    x = 316,558.99

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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.