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Finding the Third Proportional to 50 and 100.19

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Solution

The third proportional to 50 and 100.19 is: 200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50 : 100.19 = 100.19 : x
  2. Step 2: Convert to fraction form
    50/100.19 = 100.19/x
  3. Step 3: Cross multiply
    50x = 100.19 × 100.19
  4. Step 4: Simplify right side
    50x = 10,037.54
  5. Step 5: Solve for x
    x = 10,037.54/50
  6. Step 6: Final answer
    x = 200.75

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.