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Finding the Third Proportional to 195.25 and 407

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Solution

The third proportional to 195.25 and 407 is: 848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.25 : 407 = 407 : x
  2. Step 2: Convert to fraction form
    195.25/407 = 407/x
  3. Step 3: Cross multiply
    195.25x = 407 × 407
  4. Step 4: Simplify right side
    195.25x = 165,649
  5. Step 5: Solve for x
    x = 165,649/195.25
  6. Step 6: Final answer
    x = 848.39

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.