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Finding the Third Proportional to 22 and 28.63

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Solution

The third proportional to 22 and 28.63 is: 37.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22 : 28.63 = 28.63 : x
  2. Step 2: Convert to fraction form
    22/28.63 = 28.63/x
  3. Step 3: Cross multiply
    22x = 28.63 × 28.63
  4. Step 4: Simplify right side
    22x = 819.39
  5. Step 5: Solve for x
    x = 819.39/22
  6. Step 6: Final answer
    x = 37.25

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.