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Finding the Third Proportional to 227,860 and 490,781

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Solution

The third proportional to 227,860 and 490,781 is: 1,057,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,860 : 490,781 = 490,781 : x
  2. Step 2: Convert to fraction form
    227,860/490,781 = 490,781/x
  3. Step 3: Cross multiply
    227,860x = 490,781 × 490,781
  4. Step 4: Simplify right side
    227,860x = 240,865,989,961
  5. Step 5: Solve for x
    x = 240,865,989,961/227,860
  6. Step 6: Final answer
    x = 1,057,078.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.