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Finding the Third Proportional to 238,828 and 348,397

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Solution

The third proportional to 238,828 and 348,397 is: 508,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,828 : 348,397 = 348,397 : x
  2. Step 2: Convert to fraction form
    238,828/348,397 = 348,397/x
  3. Step 3: Cross multiply
    238,828x = 348,397 × 348,397
  4. Step 4: Simplify right side
    238,828x = 121,380,469,609
  5. Step 5: Solve for x
    x = 121,380,469,609/238,828
  6. Step 6: Final answer
    x = 508,233.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.