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Finding the Third Proportional to 262.69 and 516.94

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Solution

The third proportional to 262.69 and 516.94 is: 1,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.69 : 516.94 = 516.94 : x
  2. Step 2: Convert to fraction form
    262.69/516.94 = 516.94/x
  3. Step 3: Cross multiply
    262.69x = 516.94 × 516.94
  4. Step 4: Simplify right side
    262.69x = 267,224.38
  5. Step 5: Solve for x
    x = 267,224.38/262.69
  6. Step 6: Final answer
    x = 1,017.27

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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.