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Finding the Third Proportional to 0.83 and 1.54

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Solution

The third proportional to 0.83 and 1.54 is: 2.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.83 : 1.54 = 1.54 : x
  2. Step 2: Convert to fraction form
    0.83/1.54 = 1.54/x
  3. Step 3: Cross multiply
    0.83x = 1.54 × 1.54
  4. Step 4: Simplify right side
    0.83x = 2.36
  5. Step 5: Solve for x
    x = 2.36/0.83
  6. Step 6: Final answer
    x = 2.84

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.