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Finding the Third Proportional to 108,486 and 167,643

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Solution

The third proportional to 108,486 and 167,643 is: 259,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486 : 167,643 = 167,643 : x
  2. Step 2: Convert to fraction form
    108,486/167,643 = 167,643/x
  3. Step 3: Cross multiply
    108,486x = 167,643 × 167,643
  4. Step 4: Simplify right side
    108,486x = 28,104,175,449
  5. Step 5: Solve for x
    x = 28,104,175,449/108,486
  6. Step 6: Final answer
    x = 259,058.09

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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.