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Finding the Third Proportional to 26.56 and 71.75

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Solution

The third proportional to 26.56 and 71.75 is: 193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.56 : 71.75 = 71.75 : x
  2. Step 2: Convert to fraction form
    26.56/71.75 = 71.75/x
  3. Step 3: Cross multiply
    26.56x = 71.75 × 71.75
  4. Step 4: Simplify right side
    26.56x = 5,148.06
  5. Step 5: Solve for x
    x = 5,148.06/26.56
  6. Step 6: Final answer
    x = 193.81

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.