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Finding the Third Proportional to 131,954 and 284,318

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Solution

The third proportional to 131,954 and 284,318 is: 612,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,954 : 284,318 = 284,318 : x
  2. Step 2: Convert to fraction form
    131,954/284,318 = 284,318/x
  3. Step 3: Cross multiply
    131,954x = 284,318 × 284,318
  4. Step 4: Simplify right side
    131,954x = 80,836,725,124
  5. Step 5: Solve for x
    x = 80,836,725,124/131,954
  6. Step 6: Final answer
    x = 612,612.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.