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Finding the Third Proportional to 2,398.13 and 5,245.13

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Solution

The third proportional to 2,398.13 and 5,245.13 is: 11,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.13 : 5,245.13 = 5,245.13 : x
  2. Step 2: Convert to fraction form
    2,398.13/5,245.13 = 5,245.13/x
  3. Step 3: Cross multiply
    2,398.13x = 5,245.13 × 5,245.13
  4. Step 4: Simplify right side
    2,398.13x = 27,511,336.27
  5. Step 5: Solve for x
    x = 27,511,336.27/2,398.13
  6. Step 6: Final answer
    x = 11,472.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.