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Finding the Third Proportional to 1.43 and 2.27

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Solution

The third proportional to 1.43 and 2.27 is: 3.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.43 : 2.27 = 2.27 : x
  2. Step 2: Convert to fraction form
    1.43/2.27 = 2.27/x
  3. Step 3: Cross multiply
    1.43x = 2.27 × 2.27
  4. Step 4: Simplify right side
    1.43x = 5.14
  5. Step 5: Solve for x
    x = 5.14/1.43
  6. Step 6: Final answer
    x = 3.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.