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Finding the Third Proportional to 379,059 and 817,164

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Solution

The third proportional to 379,059 and 817,164 is: 1,761,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,059 : 817,164 = 817,164 : x
  2. Step 2: Convert to fraction form
    379,059/817,164 = 817,164/x
  3. Step 3: Cross multiply
    379,059x = 817,164 × 817,164
  4. Step 4: Simplify right side
    379,059x = 667,757,002,896
  5. Step 5: Solve for x
    x = 667,757,002,896/379,059
  6. Step 6: Final answer
    x = 1,761,617.59

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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.