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Finding the Third Proportional to 236.67 and 484.73

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Solution

The third proportional to 236.67 and 484.73 is: 992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.67 : 484.73 = 484.73 : x
  2. Step 2: Convert to fraction form
    236.67/484.73 = 484.73/x
  3. Step 3: Cross multiply
    236.67x = 484.73 × 484.73
  4. Step 4: Simplify right side
    236.67x = 234,967.41
  5. Step 5: Solve for x
    x = 234,967.41/236.67
  6. Step 6: Final answer
    x = 992.80

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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.