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Finding the Third Proportional to 108,338 and 167,424

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Solution

The third proportional to 108,338 and 167,424 is: 258,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,338 : 167,424 = 167,424 : x
  2. Step 2: Convert to fraction form
    108,338/167,424 = 167,424/x
  3. Step 3: Cross multiply
    108,338x = 167,424 × 167,424
  4. Step 4: Simplify right side
    108,338x = 28,030,795,776
  5. Step 5: Solve for x
    x = 28,030,795,776/108,338
  6. Step 6: Final answer
    x = 258,734.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.