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Finding the Third Proportional to 87,248 and 188,424

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Solution

The third proportional to 87,248 and 188,424 is: 406,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248 : 188,424 = 188,424 : x
  2. Step 2: Convert to fraction form
    87,248/188,424 = 188,424/x
  3. Step 3: Cross multiply
    87,248x = 188,424 × 188,424
  4. Step 4: Simplify right side
    87,248x = 35,503,603,776
  5. Step 5: Solve for x
    x = 35,503,603,776/87,248
  6. Step 6: Final answer
    x = 406,927.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.