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Finding the Third Proportional to 22.78 and 46.99

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Solution

The third proportional to 22.78 and 46.99 is: 96.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.78 : 46.99 = 46.99 : x
  2. Step 2: Convert to fraction form
    22.78/46.99 = 46.99/x
  3. Step 3: Cross multiply
    22.78x = 46.99 × 46.99
  4. Step 4: Simplify right side
    22.78x = 2,207.72
  5. Step 5: Solve for x
    x = 2,207.72/22.78
  6. Step 6: Final answer
    x = 96.91

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.