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Finding the Third Proportional to 22.64 and 30.66

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Solution

The third proportional to 22.64 and 30.66 is: 41.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.64 : 30.66 = 30.66 : x
  2. Step 2: Convert to fraction form
    22.64/30.66 = 30.66/x
  3. Step 3: Cross multiply
    22.64x = 30.66 × 30.66
  4. Step 4: Simplify right side
    22.64x = 939.81
  5. Step 5: Solve for x
    x = 939.81/22.64
  6. Step 6: Final answer
    x = 41.51

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.