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Finding the Third Proportional to 183.16 and 381.45

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Solution

The third proportional to 183.16 and 381.45 is: 794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.16 : 381.45 = 381.45 : x
  2. Step 2: Convert to fraction form
    183.16/381.45 = 381.45/x
  3. Step 3: Cross multiply
    183.16x = 381.45 × 381.45
  4. Step 4: Simplify right side
    183.16x = 145,500.53
  5. Step 5: Solve for x
    x = 145,500.53/183.16
  6. Step 6: Final answer
    x = 794.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.