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Finding the Third Proportional to 22.50 and 47.56

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Solution

The third proportional to 22.50 and 47.56 is: 100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.50 : 47.56 = 47.56 : x
  2. Step 2: Convert to fraction form
    22.50/47.56 = 47.56/x
  3. Step 3: Cross multiply
    22.50x = 47.56 × 47.56
  4. Step 4: Simplify right side
    22.50x = 2,262.19
  5. Step 5: Solve for x
    x = 2,262.19/22.50
  6. Step 6: Final answer
    x = 100.54

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.