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Finding the Third Proportional to 28 and 44

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Solution

The third proportional to 28 and 44 is: 69.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28 : 44 = 44 : x
  2. Step 2: Convert to fraction form
    28/44 = 44/x
  3. Step 3: Cross multiply
    28x = 44 × 44
  4. Step 4: Simplify right side
    28x = 1,936
  5. Step 5: Solve for x
    x = 1,936/28
  6. Step 6: Final answer
    x = 69.14

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.