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Finding the Third Proportional to 16.35 and 25.00

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Solution

The third proportional to 16.35 and 25.00 is: 38.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.35 : 25.00 = 25.00 : x
  2. Step 2: Convert to fraction form
    16.35/25.00 = 25.00/x
  3. Step 3: Cross multiply
    16.35x = 25.00 × 25.00
  4. Step 4: Simplify right side
    16.35x = 624.80
  5. Step 5: Solve for x
    x = 624.80/16.35
  6. Step 6: Final answer
    x = 38.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.