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Finding the Third Proportional to 51.26 and 112.48

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Solution

The third proportional to 51.26 and 112.48 is: 246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.26 : 112.48 = 112.48 : x
  2. Step 2: Convert to fraction form
    51.26/112.48 = 112.48/x
  3. Step 3: Cross multiply
    51.26x = 112.48 × 112.48
  4. Step 4: Simplify right side
    51.26x = 12,652.30
  5. Step 5: Solve for x
    x = 12,652.30/51.26
  6. Step 6: Final answer
    x = 246.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.