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Finding the Third Proportional to 44.28 and 66.94

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Solution

The third proportional to 44.28 and 66.94 is: 101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.28 : 66.94 = 66.94 : x
  2. Step 2: Convert to fraction form
    44.28/66.94 = 66.94/x
  3. Step 3: Cross multiply
    44.28x = 66.94 × 66.94
  4. Step 4: Simplify right side
    44.28x = 4,480.63
  5. Step 5: Solve for x
    x = 4,480.63/44.28
  6. Step 6: Final answer
    x = 101.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.