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Finding the Third Proportional to 99 and 185.25

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Solution

The third proportional to 99 and 185.25 is: 346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99 : 185.25 = 185.25 : x
  2. Step 2: Convert to fraction form
    99/185.25 = 185.25/x
  3. Step 3: Cross multiply
    99x = 185.25 × 185.25
  4. Step 4: Simplify right side
    99x = 34,317.56
  5. Step 5: Solve for x
    x = 34,317.56/99
  6. Step 6: Final answer
    x = 346.64

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.