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Finding the Third Proportional to 235.41 and 484.31

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Solution

The third proportional to 235.41 and 484.31 is: 996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.41 : 484.31 = 484.31 : x
  2. Step 2: Convert to fraction form
    235.41/484.31 = 484.31/x
  3. Step 3: Cross multiply
    235.41x = 484.31 × 484.31
  4. Step 4: Simplify right side
    235.41x = 234,558.60
  5. Step 5: Solve for x
    x = 234,558.60/235.41
  6. Step 6: Final answer
    x = 996.40

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.