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Finding the Third Proportional to 40 and 44.13

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Solution

The third proportional to 40 and 44.13 is: 48.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40 : 44.13 = 44.13 : x
  2. Step 2: Convert to fraction form
    40/44.13 = 44.13/x
  3. Step 3: Cross multiply
    40x = 44.13 × 44.13
  4. Step 4: Simplify right side
    40x = 1,947.02
  5. Step 5: Solve for x
    x = 1,947.02/40
  6. Step 6: Final answer
    x = 48.68

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.