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Finding the Third Proportional to 9.05 and 19.27

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Solution

The third proportional to 9.05 and 19.27 is: 41.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.05 : 19.27 = 19.27 : x
  2. Step 2: Convert to fraction form
    9.05/19.27 = 19.27/x
  3. Step 3: Cross multiply
    9.05x = 19.27 × 19.27
  4. Step 4: Simplify right side
    9.05x = 371.16
  5. Step 5: Solve for x
    x = 371.16/9.05
  6. Step 6: Final answer
    x = 41.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.