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Finding the Third Proportional to 267 and 417

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Solution

The third proportional to 267 and 417 is: 651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 417 = 417 : x
  2. Step 2: Convert to fraction form
    267/417 = 417/x
  3. Step 3: Cross multiply
    267x = 417 × 417
  4. Step 4: Simplify right side
    267x = 173,889
  5. Step 5: Solve for x
    x = 173,889/267
  6. Step 6: Final answer
    x = 651.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.