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Finding the Third Proportional to 17.75 and 22

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Solution

The third proportional to 17.75 and 22 is: 27.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.75 : 22 = 22 : x
  2. Step 2: Convert to fraction form
    17.75/22 = 22/x
  3. Step 3: Cross multiply
    17.75x = 22 × 22
  4. Step 4: Simplify right side
    17.75x = 484
  5. Step 5: Solve for x
    x = 484/17.75
  6. Step 6: Final answer
    x = 27.27

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These problems maintain the same ratio (1.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.