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Finding the Third Proportional to 1,167.38 and 2,529.19

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Solution

The third proportional to 1,167.38 and 2,529.19 is: 5,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.38 : 2,529.19 = 2,529.19 : x
  2. Step 2: Convert to fraction form
    1,167.38/2,529.19 = 2,529.19/x
  3. Step 3: Cross multiply
    1,167.38x = 2,529.19 × 2,529.19
  4. Step 4: Simplify right side
    1,167.38x = 6,396,789.41
  5. Step 5: Solve for x
    x = 6,396,789.41/1,167.38
  6. Step 6: Final answer
    x = 5,479.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.