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Finding the Third Proportional to 262.13 and 517.13

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Solution

The third proportional to 262.13 and 517.13 is: 1,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.13 : 517.13 = 517.13 : x
  2. Step 2: Convert to fraction form
    262.13/517.13 = 517.13/x
  3. Step 3: Cross multiply
    262.13x = 517.13 × 517.13
  4. Step 4: Simplify right side
    262.13x = 267,418.27
  5. Step 5: Solve for x
    x = 267,418.27/262.13
  6. Step 6: Final answer
    x = 1,020.19

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.