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Finding the Third Proportional to 26.70 and 57.67

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Solution

The third proportional to 26.70 and 57.67 is: 124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.70 : 57.67 = 57.67 : x
  2. Step 2: Convert to fraction form
    26.70/57.67 = 57.67/x
  3. Step 3: Cross multiply
    26.70x = 57.67 × 57.67
  4. Step 4: Simplify right side
    26.70x = 3,325.26
  5. Step 5: Solve for x
    x = 3,325.26/26.70
  6. Step 6: Final answer
    x = 124.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.