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Finding the Third Proportional to 394.88 and 941.63

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Solution

The third proportional to 394.88 and 941.63 is: 2,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.88 : 941.63 = 941.63 : x
  2. Step 2: Convert to fraction form
    394.88/941.63 = 941.63/x
  3. Step 3: Cross multiply
    394.88x = 941.63 × 941.63
  4. Step 4: Simplify right side
    394.88x = 886,657.64
  5. Step 5: Solve for x
    x = 886,657.64/394.88
  6. Step 6: Final answer
    x = 2,245.41

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.