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Finding the Third Proportional to 19.41 and 47.25

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Solution

The third proportional to 19.41 and 47.25 is: 115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.41 : 47.25 = 47.25 : x
  2. Step 2: Convert to fraction form
    19.41/47.25 = 47.25/x
  3. Step 3: Cross multiply
    19.41x = 47.25 × 47.25
  4. Step 4: Simplify right side
    19.41x = 2,232.56
  5. Step 5: Solve for x
    x = 2,232.56/19.41
  6. Step 6: Final answer
    x = 115.04

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.