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Finding the Third Proportional to 392,375 and 873,580

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Solution

The third proportional to 392,375 and 873,580 is: 1,944,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,375 : 873,580 = 873,580 : x
  2. Step 2: Convert to fraction form
    392,375/873,580 = 873,580/x
  3. Step 3: Cross multiply
    392,375x = 873,580 × 873,580
  4. Step 4: Simplify right side
    392,375x = 763,142,016,400
  5. Step 5: Solve for x
    x = 763,142,016,400/392,375
  6. Step 6: Final answer
    x = 1,944,930.27

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.