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Finding the Third Proportional to 16.50 and 25

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Solution

The third proportional to 16.50 and 25 is: 37.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.50 : 25 = 25 : x
  2. Step 2: Convert to fraction form
    16.50/25 = 25/x
  3. Step 3: Cross multiply
    16.50x = 25 × 25
  4. Step 4: Simplify right side
    16.50x = 625
  5. Step 5: Solve for x
    x = 625/16.50
  6. Step 6: Final answer
    x = 37.88

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.