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Finding the Third Proportional to 74,675 and 115,626

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Solution

The third proportional to 74,675 and 115,626 is: 179,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675 : 115,626 = 115,626 : x
  2. Step 2: Convert to fraction form
    74,675/115,626 = 115,626/x
  3. Step 3: Cross multiply
    74,675x = 115,626 × 115,626
  4. Step 4: Simplify right side
    74,675x = 13,369,371,876
  5. Step 5: Solve for x
    x = 13,369,371,876/74,675
  6. Step 6: Final answer
    x = 179,034.11

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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.