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Finding the Third Proportional to 183.94 and 402.05

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Solution

The third proportional to 183.94 and 402.05 is: 878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.94 : 402.05 = 402.05 : x
  2. Step 2: Convert to fraction form
    183.94/402.05 = 402.05/x
  3. Step 3: Cross multiply
    183.94x = 402.05 × 402.05
  4. Step 4: Simplify right side
    183.94x = 161,641.69
  5. Step 5: Solve for x
    x = 161,641.69/183.94
  6. Step 6: Final answer
    x = 878.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.