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Finding the Third Proportional to 267,692 and 392,600

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Solution

The third proportional to 267,692 and 392,600 is: 575,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,692 : 392,600 = 392,600 : x
  2. Step 2: Convert to fraction form
    267,692/392,600 = 392,600/x
  3. Step 3: Cross multiply
    267,692x = 392,600 × 392,600
  4. Step 4: Simplify right side
    267,692x = 154,134,760,000
  5. Step 5: Solve for x
    x = 154,134,760,000/267,692
  6. Step 6: Final answer
    x = 575,791.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.