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Finding the Third Proportional to 392,332 and 606,245

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Solution

The third proportional to 392,332 and 606,245 is: 936,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,332 : 606,245 = 606,245 : x
  2. Step 2: Convert to fraction form
    392,332/606,245 = 606,245/x
  3. Step 3: Cross multiply
    392,332x = 606,245 × 606,245
  4. Step 4: Simplify right side
    392,332x = 367,533,000,025
  5. Step 5: Solve for x
    x = 367,533,000,025/392,332
  6. Step 6: Final answer
    x = 936,790.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.