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Finding the Third Proportional to 267.05 and 579.66

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Solution

The third proportional to 267.05 and 579.66 is: 1,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.05 : 579.66 = 579.66 : x
  2. Step 2: Convert to fraction form
    267.05/579.66 = 579.66/x
  3. Step 3: Cross multiply
    267.05x = 579.66 × 579.66
  4. Step 4: Simplify right side
    267.05x = 336,001.37
  5. Step 5: Solve for x
    x = 336,001.37/267.05
  6. Step 6: Final answer
    x = 1,258.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.