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Finding the Third Proportional to 267.19 and 575.53

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Solution

The third proportional to 267.19 and 575.53 is: 1,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.19 : 575.53 = 575.53 : x
  2. Step 2: Convert to fraction form
    267.19/575.53 = 575.53/x
  3. Step 3: Cross multiply
    267.19x = 575.53 × 575.53
  4. Step 4: Simplify right side
    267.19x = 331,236.22
  5. Step 5: Solve for x
    x = 331,236.22/267.19
  6. Step 6: Final answer
    x = 1,239.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.