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Finding the Third Proportional to 44.44 and 56.81

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Solution

The third proportional to 44.44 and 56.81 is: 72.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.44 : 56.81 = 56.81 : x
  2. Step 2: Convert to fraction form
    44.44/56.81 = 56.81/x
  3. Step 3: Cross multiply
    44.44x = 56.81 × 56.81
  4. Step 4: Simplify right side
    44.44x = 3,227.66
  5. Step 5: Solve for x
    x = 3,227.66/44.44
  6. Step 6: Final answer
    x = 72.63

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.