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Finding the Third Proportional to 713.18 and 1,540.27

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Solution

The third proportional to 713.18 and 1,540.27 is: 3,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.18 : 1,540.27 = 1,540.27 : x
  2. Step 2: Convert to fraction form
    713.18/1,540.27 = 1,540.27/x
  3. Step 3: Cross multiply
    713.18x = 1,540.27 × 1,540.27
  4. Step 4: Simplify right side
    713.18x = 2,372,418.20
  5. Step 5: Solve for x
    x = 2,372,418.20/713.18
  6. Step 6: Final answer
    x = 3,326.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.