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Finding the Third Proportional to 24.38 and 56

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Solution

The third proportional to 24.38 and 56 is: 128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.38 : 56 = 56 : x
  2. Step 2: Convert to fraction form
    24.38/56 = 56/x
  3. Step 3: Cross multiply
    24.38x = 56 × 56
  4. Step 4: Simplify right side
    24.38x = 3,136
  5. Step 5: Solve for x
    x = 3,136/24.38
  6. Step 6: Final answer
    x = 128.66

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.