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Finding the Third Proportional to 1.93 and 3.82

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Solution

The third proportional to 1.93 and 3.82 is: 7.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.93 : 3.82 = 3.82 : x
  2. Step 2: Convert to fraction form
    1.93/3.82 = 3.82/x
  3. Step 3: Cross multiply
    1.93x = 3.82 × 3.82
  4. Step 4: Simplify right side
    1.93x = 14.60
  5. Step 5: Solve for x
    x = 14.60/1.93
  6. Step 6: Final answer
    x = 7.58

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.