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Finding the Third Proportional to 609.19 and 1,294.31

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Solution

The third proportional to 609.19 and 1,294.31 is: 2,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.19 : 1,294.31 = 1,294.31 : x
  2. Step 2: Convert to fraction form
    609.19/1,294.31 = 1,294.31/x
  3. Step 3: Cross multiply
    609.19x = 1,294.31 × 1,294.31
  4. Step 4: Simplify right side
    609.19x = 1,675,244.85
  5. Step 5: Solve for x
    x = 1,675,244.85/609.19
  6. Step 6: Final answer
    x = 2,749.97

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.