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Finding the Third Proportional to 131,631 and 284,276

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Solution

The third proportional to 131,631 and 284,276 is: 613,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,631 : 284,276 = 284,276 : x
  2. Step 2: Convert to fraction form
    131,631/284,276 = 284,276/x
  3. Step 3: Cross multiply
    131,631x = 284,276 × 284,276
  4. Step 4: Simplify right side
    131,631x = 80,812,844,176
  5. Step 5: Solve for x
    x = 80,812,844,176/131,631
  6. Step 6: Final answer
    x = 613,934.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.