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Finding the Third Proportional to 195.44 and 419.88

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Solution

The third proportional to 195.44 and 419.88 is: 902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.44 : 419.88 = 419.88 : x
  2. Step 2: Convert to fraction form
    195.44/419.88 = 419.88/x
  3. Step 3: Cross multiply
    195.44x = 419.88 × 419.88
  4. Step 4: Simplify right side
    195.44x = 176,295.02
  5. Step 5: Solve for x
    x = 176,295.02/195.44
  6. Step 6: Final answer
    x = 902.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.