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Finding the Third Proportional to 367 and 516.25

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Solution

The third proportional to 367 and 516.25 is: 726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367 : 516.25 = 516.25 : x
  2. Step 2: Convert to fraction form
    367/516.25 = 516.25/x
  3. Step 3: Cross multiply
    367x = 516.25 × 516.25
  4. Step 4: Simplify right side
    367x = 266,514.06
  5. Step 5: Solve for x
    x = 266,514.06/367
  6. Step 6: Final answer
    x = 726.20

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.