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Finding the Third Proportional to 41.81 and 63.09

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Solution

The third proportional to 41.81 and 63.09 is: 95.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.81 : 63.09 = 63.09 : x
  2. Step 2: Convert to fraction form
    41.81/63.09 = 63.09/x
  3. Step 3: Cross multiply
    41.81x = 63.09 × 63.09
  4. Step 4: Simplify right side
    41.81x = 3,980.82
  5. Step 5: Solve for x
    x = 3,980.82/41.81
  6. Step 6: Final answer
    x = 95.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.