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Finding the Third Proportional to 108,981 and 164,103

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Solution

The third proportional to 108,981 and 164,103 is: 247,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,981 : 164,103 = 164,103 : x
  2. Step 2: Convert to fraction form
    108,981/164,103 = 164,103/x
  3. Step 3: Cross multiply
    108,981x = 164,103 × 164,103
  4. Step 4: Simplify right side
    108,981x = 26,929,794,609
  5. Step 5: Solve for x
    x = 26,929,794,609/108,981
  6. Step 6: Final answer
    x = 247,105.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.