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Finding the Third Proportional to 49,372 and 108,397

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Solution

The third proportional to 49,372 and 108,397 is: 237,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372 : 108,397 = 108,397 : x
  2. Step 2: Convert to fraction form
    49,372/108,397 = 108,397/x
  3. Step 3: Cross multiply
    49,372x = 108,397 × 108,397
  4. Step 4: Simplify right side
    49,372x = 11,749,909,609
  5. Step 5: Solve for x
    x = 11,749,909,609/49,372
  6. Step 6: Final answer
    x = 237,987.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.