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Finding the Third Proportional to 183.88 and 394.25

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Solution

The third proportional to 183.88 and 394.25 is: 845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.88 : 394.25 = 394.25 : x
  2. Step 2: Convert to fraction form
    183.88/394.25 = 394.25/x
  3. Step 3: Cross multiply
    183.88x = 394.25 × 394.25
  4. Step 4: Simplify right side
    183.88x = 155,433.06
  5. Step 5: Solve for x
    x = 155,433.06/183.88
  6. Step 6: Final answer
    x = 845.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.