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Finding the Third Proportional to 1,013.91 and 2,148.19

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Solution

The third proportional to 1,013.91 and 2,148.19 is: 4,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.91 : 2,148.19 = 2,148.19 : x
  2. Step 2: Convert to fraction form
    1,013.91/2,148.19 = 2,148.19/x
  3. Step 3: Cross multiply
    1,013.91x = 2,148.19 × 2,148.19
  4. Step 4: Simplify right side
    1,013.91x = 4,614,709.54
  5. Step 5: Solve for x
    x = 4,614,709.54/1,013.91
  6. Step 6: Final answer
    x = 4,551.42

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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.