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Finding the Third Proportional to 22.75 and 56.75

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Solution

The third proportional to 22.75 and 56.75 is: 141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.75 : 56.75 = 56.75 : x
  2. Step 2: Convert to fraction form
    22.75/56.75 = 56.75/x
  3. Step 3: Cross multiply
    22.75x = 56.75 × 56.75
  4. Step 4: Simplify right side
    22.75x = 3,220.56
  5. Step 5: Solve for x
    x = 3,220.56/22.75
  6. Step 6: Final answer
    x = 141.56

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.