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Finding the Third Proportional to 104,412 and 203,568

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Solution

The third proportional to 104,412 and 203,568 is: 396,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,412 : 203,568 = 203,568 : x
  2. Step 2: Convert to fraction form
    104,412/203,568 = 203,568/x
  3. Step 3: Cross multiply
    104,412x = 203,568 × 203,568
  4. Step 4: Simplify right side
    104,412x = 41,439,930,624
  5. Step 5: Solve for x
    x = 41,439,930,624/104,412
  6. Step 6: Final answer
    x = 396,888.58

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.