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Finding the Third Proportional to 10.56 and 22.75

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Solution

The third proportional to 10.56 and 22.75 is: 49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.56 : 22.75 = 22.75 : x
  2. Step 2: Convert to fraction form
    10.56/22.75 = 22.75/x
  3. Step 3: Cross multiply
    10.56x = 22.75 × 22.75
  4. Step 4: Simplify right side
    10.56x = 517.56
  5. Step 5: Solve for x
    x = 517.56/10.56
  6. Step 6: Final answer
    x = 49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.