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Finding the Third Proportional to 191.81 and 303.84

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Solution

The third proportional to 191.81 and 303.84 is: 481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.81 : 303.84 = 303.84 : x
  2. Step 2: Convert to fraction form
    191.81/303.84 = 303.84/x
  3. Step 3: Cross multiply
    191.81x = 303.84 × 303.84
  4. Step 4: Simplify right side
    191.81x = 92,321.02
  5. Step 5: Solve for x
    x = 92,321.02/191.81
  6. Step 6: Final answer
    x = 481.31

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.