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Finding the Third Proportional to 195.75 and 304.59

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Solution

The third proportional to 195.75 and 304.59 is: 473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.75 : 304.59 = 304.59 : x
  2. Step 2: Convert to fraction form
    195.75/304.59 = 304.59/x
  3. Step 3: Cross multiply
    195.75x = 304.59 × 304.59
  4. Step 4: Simplify right side
    195.75x = 92,777.35
  5. Step 5: Solve for x
    x = 92,777.35/195.75
  6. Step 6: Final answer
    x = 473.96

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.