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Finding the Third Proportional to 609.38 and 1,334.38

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Solution

The third proportional to 609.38 and 1,334.38 is: 2,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.38 : 1,334.38 = 1,334.38 : x
  2. Step 2: Convert to fraction form
    609.38/1,334.38 = 1,334.38/x
  3. Step 3: Cross multiply
    609.38x = 1,334.38 × 1,334.38
  4. Step 4: Simplify right side
    609.38x = 1,780,556.64
  5. Step 5: Solve for x
    x = 1,780,556.64/609.38
  6. Step 6: Final answer
    x = 2,921.94

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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.