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Finding the Third Proportional to 15.44 and 25

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Solution

The third proportional to 15.44 and 25 is: 40.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.44 : 25 = 25 : x
  2. Step 2: Convert to fraction form
    15.44/25 = 25/x
  3. Step 3: Cross multiply
    15.44x = 25 × 25
  4. Step 4: Simplify right side
    15.44x = 625
  5. Step 5: Solve for x
    x = 625/15.44
  6. Step 6: Final answer
    x = 40.49

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.