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Finding the Third Proportional to 267.75 and 554.63

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Solution

The third proportional to 267.75 and 554.63 is: 1,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.75 : 554.63 = 554.63 : x
  2. Step 2: Convert to fraction form
    267.75/554.63 = 554.63/x
  3. Step 3: Cross multiply
    267.75x = 554.63 × 554.63
  4. Step 4: Simplify right side
    267.75x = 307,608.89
  5. Step 5: Solve for x
    x = 307,608.89/267.75
  6. Step 6: Final answer
    x = 1,148.87

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.