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Finding the Third Proportional to 13.75 and 22

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Solution

The third proportional to 13.75 and 22 is: 35.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.75 : 22 = 22 : x
  2. Step 2: Convert to fraction form
    13.75/22 = 22/x
  3. Step 3: Cross multiply
    13.75x = 22 × 22
  4. Step 4: Simplify right side
    13.75x = 484
  5. Step 5: Solve for x
    x = 484/13.75
  6. Step 6: Final answer
    x = 35.20

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.