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Finding the Third Proportional to 609.19 and 1,474.88

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Solution

The third proportional to 609.19 and 1,474.88 is: 3,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.19 : 1,474.88 = 1,474.88 : x
  2. Step 2: Convert to fraction form
    609.19/1,474.88 = 1,474.88/x
  3. Step 3: Cross multiply
    609.19x = 1,474.88 × 1,474.88
  4. Step 4: Simplify right side
    609.19x = 2,175,256.27
  5. Step 5: Solve for x
    x = 2,175,256.27/609.19
  6. Step 6: Final answer
    x = 3,570.75

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.