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Finding the Third Proportional to 0.18 and 1.92

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Solution

The third proportional to 0.18 and 1.92 is: 21.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.18 : 1.92 = 1.92 : x
  2. Step 2: Convert to fraction form
    0.18/1.92 = 1.92/x
  3. Step 3: Cross multiply
    0.18x = 1.92 × 1.92
  4. Step 4: Simplify right side
    0.18x = 3.69
  5. Step 5: Solve for x
    x = 3.69/0.18
  6. Step 6: Final answer
    x = 21.01

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Why These Related Problems?

These problems maintain the same ratio (10.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.