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Finding the Third Proportional to 35.44 and 79.31

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Solution

The third proportional to 35.44 and 79.31 is: 177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 79.31 = 79.31 : x
  2. Step 2: Convert to fraction form
    35.44/79.31 = 79.31/x
  3. Step 3: Cross multiply
    35.44x = 79.31 × 79.31
  4. Step 4: Simplify right side
    35.44x = 6,290.47
  5. Step 5: Solve for x
    x = 6,290.47/35.44
  6. Step 6: Final answer
    x = 177.51

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.