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Finding the Third Proportional to 364.92 and 481.92

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Solution

The third proportional to 364.92 and 481.92 is: 636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.92 : 481.92 = 481.92 : x
  2. Step 2: Convert to fraction form
    364.92/481.92 = 481.92/x
  3. Step 3: Cross multiply
    364.92x = 481.92 × 481.92
  4. Step 4: Simplify right side
    364.92x = 232,248.69
  5. Step 5: Solve for x
    x = 232,248.69/364.92
  6. Step 6: Final answer
    x = 636.43

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.