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Finding the Third Proportional to 609,608 and 1,339,880

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Solution

The third proportional to 609,608 and 1,339,880 is: 2,944,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,608 : 1,339,880 = 1,339,880 : x
  2. Step 2: Convert to fraction form
    609,608/1,339,880 = 1,339,880/x
  3. Step 3: Cross multiply
    609,608x = 1,339,880 × 1,339,880
  4. Step 4: Simplify right side
    609,608x = 1,795,278,414,400
  5. Step 5: Solve for x
    x = 1,795,278,414,400/609,608
  6. Step 6: Final answer
    x = 2,944,971.87

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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.