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Finding the Third Proportional to 75 and 183.38

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Solution

The third proportional to 75 and 183.38 is: 448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75 : 183.38 = 183.38 : x
  2. Step 2: Convert to fraction form
    75/183.38 = 183.38/x
  3. Step 3: Cross multiply
    75x = 183.38 × 183.38
  4. Step 4: Simplify right side
    75x = 33,626.39
  5. Step 5: Solve for x
    x = 33,626.39/75
  6. Step 6: Final answer
    x = 448.35

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.