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Finding the Third Proportional to 45.38 and 100.41

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Solution

The third proportional to 45.38 and 100.41 is: 222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.38 : 100.41 = 100.41 : x
  2. Step 2: Convert to fraction form
    45.38/100.41 = 100.41/x
  3. Step 3: Cross multiply
    45.38x = 100.41 × 100.41
  4. Step 4: Simplify right side
    45.38x = 10,081.42
  5. Step 5: Solve for x
    x = 10,081.42/45.38
  6. Step 6: Final answer
    x = 222.18

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.