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Finding the Third Proportional to 1.27 and 1.84

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Solution

The third proportional to 1.27 and 1.84 is: 2.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.27 : 1.84 = 1.84 : x
  2. Step 2: Convert to fraction form
    1.27/1.84 = 1.84/x
  3. Step 3: Cross multiply
    1.27x = 1.84 × 1.84
  4. Step 4: Simplify right side
    1.27x = 3.37
  5. Step 5: Solve for x
    x = 3.37/1.27
  6. Step 6: Final answer
    x = 2.66

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.