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Finding the Third Proportional to 303,682 and 664,568

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Solution

The third proportional to 303,682 and 664,568 is: 1,454,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,682 : 664,568 = 664,568 : x
  2. Step 2: Convert to fraction form
    303,682/664,568 = 664,568/x
  3. Step 3: Cross multiply
    303,682x = 664,568 × 664,568
  4. Step 4: Simplify right side
    303,682x = 441,650,626,624
  5. Step 5: Solve for x
    x = 441,650,626,624/303,682
  6. Step 6: Final answer
    x = 1,454,319.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.