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Finding the Third Proportional to 367,353 and 494,289

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Solution

The third proportional to 367,353 and 494,289 is: 665,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,353 : 494,289 = 494,289 : x
  2. Step 2: Convert to fraction form
    367,353/494,289 = 494,289/x
  3. Step 3: Cross multiply
    367,353x = 494,289 × 494,289
  4. Step 4: Simplify right side
    367,353x = 244,321,615,521
  5. Step 5: Solve for x
    x = 244,321,615,521/367,353
  6. Step 6: Final answer
    x = 665,086.76

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.