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Finding the Third Proportional to 22.19 and 41.50

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Solution

The third proportional to 22.19 and 41.50 is: 77.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.19 : 41.50 = 41.50 : x
  2. Step 2: Convert to fraction form
    22.19/41.50 = 41.50/x
  3. Step 3: Cross multiply
    22.19x = 41.50 × 41.50
  4. Step 4: Simplify right side
    22.19x = 1,722.25
  5. Step 5: Solve for x
    x = 1,722.25/22.19
  6. Step 6: Final answer
    x = 77.62

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.