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Finding the Third Proportional to 87,876 and 188,752

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Solution

The third proportional to 87,876 and 188,752 is: 405,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876 : 188,752 = 188,752 : x
  2. Step 2: Convert to fraction form
    87,876/188,752 = 188,752/x
  3. Step 3: Cross multiply
    87,876x = 188,752 × 188,752
  4. Step 4: Simplify right side
    87,876x = 35,627,317,504
  5. Step 5: Solve for x
    x = 35,627,317,504/87,876
  6. Step 6: Final answer
    x = 405,427.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.