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Finding the Third Proportional to 267 and 571.25

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Solution

The third proportional to 267 and 571.25 is: 1,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 571.25 = 571.25 : x
  2. Step 2: Convert to fraction form
    267/571.25 = 571.25/x
  3. Step 3: Cross multiply
    267x = 571.25 × 571.25
  4. Step 4: Simplify right side
    267x = 326,326.56
  5. Step 5: Solve for x
    x = 326,326.56/267
  6. Step 6: Final answer
    x = 1,222.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.