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Finding the Third Proportional to 602.44 and 1,311.19

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Solution

The third proportional to 602.44 and 1,311.19 is: 2,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.44 : 1,311.19 = 1,311.19 : x
  2. Step 2: Convert to fraction form
    602.44/1,311.19 = 1,311.19/x
  3. Step 3: Cross multiply
    602.44x = 1,311.19 × 1,311.19
  4. Step 4: Simplify right side
    602.44x = 1,719,212.66
  5. Step 5: Solve for x
    x = 1,719,212.66/602.44
  6. Step 6: Final answer
    x = 2,853.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.