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Finding the Third Proportional to 103,690 and 222,067

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Solution

The third proportional to 103,690 and 222,067 is: 475,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690 : 222,067 = 222,067 : x
  2. Step 2: Convert to fraction form
    103,690/222,067 = 222,067/x
  3. Step 3: Cross multiply
    103,690x = 222,067 × 222,067
  4. Step 4: Simplify right side
    103,690x = 49,313,752,489
  5. Step 5: Solve for x
    x = 49,313,752,489/103,690
  6. Step 6: Final answer
    x = 475,588.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.