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Finding the Third Proportional to 89.70 and 183.67

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Solution

The third proportional to 89.70 and 183.67 is: 376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.70 : 183.67 = 183.67 : x
  2. Step 2: Convert to fraction form
    89.70/183.67 = 183.67/x
  3. Step 3: Cross multiply
    89.70x = 183.67 × 183.67
  4. Step 4: Simplify right side
    89.70x = 33,736.08
  5. Step 5: Solve for x
    x = 33,736.08/89.70
  6. Step 6: Final answer
    x = 376.09

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.