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Finding the Third Proportional to 99 and 193.25

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Solution

The third proportional to 99 and 193.25 is: 377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99 : 193.25 = 193.25 : x
  2. Step 2: Convert to fraction form
    99/193.25 = 193.25/x
  3. Step 3: Cross multiply
    99x = 193.25 × 193.25
  4. Step 4: Simplify right side
    99x = 37,345.56
  5. Step 5: Solve for x
    x = 37,345.56/99
  6. Step 6: Final answer
    x = 377.23

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.