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Finding the Third Proportional to 92.81 and 204.19

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Solution

The third proportional to 92.81 and 204.19 is: 449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.81 : 204.19 = 204.19 : x
  2. Step 2: Convert to fraction form
    92.81/204.19 = 204.19/x
  3. Step 3: Cross multiply
    92.81x = 204.19 × 204.19
  4. Step 4: Simplify right side
    92.81x = 41,692.54
  5. Step 5: Solve for x
    x = 41,692.54/92.81
  6. Step 6: Final answer
    x = 449.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.