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Finding the Third Proportional to 183 and 398.94

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Solution

The third proportional to 183 and 398.94 is: 869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183 : 398.94 = 398.94 : x
  2. Step 2: Convert to fraction form
    183/398.94 = 398.94/x
  3. Step 3: Cross multiply
    183x = 398.94 × 398.94
  4. Step 4: Simplify right side
    183x = 159,151.13
  5. Step 5: Solve for x
    x = 159,151.13/183
  6. Step 6: Final answer
    x = 869.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.