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Finding the Third Proportional to 0.94 and 1.99

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Solution

The third proportional to 0.94 and 1.99 is: 4.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.94 : 1.99 = 1.99 : x
  2. Step 2: Convert to fraction form
    0.94/1.99 = 1.99/x
  3. Step 3: Cross multiply
    0.94x = 1.99 × 1.99
  4. Step 4: Simplify right side
    0.94x = 3.97
  5. Step 5: Solve for x
    x = 3.97/0.94
  6. Step 6: Final answer
    x = 4.23

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.