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Finding the Third Proportional to 300,879 and 660,801

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Solution

The third proportional to 300,879 and 660,801 is: 1,451,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,879 : 660,801 = 660,801 : x
  2. Step 2: Convert to fraction form
    300,879/660,801 = 660,801/x
  3. Step 3: Cross multiply
    300,879x = 660,801 × 660,801
  4. Step 4: Simplify right side
    300,879x = 436,657,961,601
  5. Step 5: Solve for x
    x = 436,657,961,601/300,879
  6. Step 6: Final answer
    x = 1,451,274.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.