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Finding the Third Proportional to 193 and 288

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Solution

The third proportional to 193 and 288 is: 429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193 : 288 = 288 : x
  2. Step 2: Convert to fraction form
    193/288 = 288/x
  3. Step 3: Cross multiply
    193x = 288 × 288
  4. Step 4: Simplify right side
    193x = 82,944
  5. Step 5: Solve for x
    x = 82,944/193
  6. Step 6: Final answer
    x = 429.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.