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Finding the Third Proportional to 231,830 and 494,281

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Solution

The third proportional to 231,830 and 494,281 is: 1,053,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,830 : 494,281 = 494,281 : x
  2. Step 2: Convert to fraction form
    231,830/494,281 = 494,281/x
  3. Step 3: Cross multiply
    231,830x = 494,281 × 494,281
  4. Step 4: Simplify right side
    231,830x = 244,313,706,961
  5. Step 5: Solve for x
    x = 244,313,706,961/231,830
  6. Step 6: Final answer
    x = 1,053,848.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.