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Finding the Third Proportional to 609 and 941.25

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Solution

The third proportional to 609 and 941.25 is: 1,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609 : 941.25 = 941.25 : x
  2. Step 2: Convert to fraction form
    609/941.25 = 941.25/x
  3. Step 3: Cross multiply
    609x = 941.25 × 941.25
  4. Step 4: Simplify right side
    609x = 885,951.56
  5. Step 5: Solve for x
    x = 885,951.56/609
  6. Step 6: Final answer
    x = 1,454.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.