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Finding the Third Proportional to 231.19 and 333.84

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Solution

The third proportional to 231.19 and 333.84 is: 482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.19 : 333.84 = 333.84 : x
  2. Step 2: Convert to fraction form
    231.19/333.84 = 333.84/x
  3. Step 3: Cross multiply
    231.19x = 333.84 × 333.84
  4. Step 4: Simplify right side
    231.19x = 111,451.65
  5. Step 5: Solve for x
    x = 111,451.65/231.19
  6. Step 6: Final answer
    x = 482.08

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.