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Finding the Third Proportional to 31.06 and 46.44

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Solution

The third proportional to 31.06 and 46.44 is: 69.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.06 : 46.44 = 46.44 : x
  2. Step 2: Convert to fraction form
    31.06/46.44 = 46.44/x
  3. Step 3: Cross multiply
    31.06x = 46.44 × 46.44
  4. Step 4: Simplify right side
    31.06x = 2,156.44
  5. Step 5: Solve for x
    x = 2,156.44/31.06
  6. Step 6: Final answer
    x = 69.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.