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Finding the Third Proportional to 31.88 and 44.63

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Solution

The third proportional to 31.88 and 44.63 is: 62.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.88 : 44.63 = 44.63 : x
  2. Step 2: Convert to fraction form
    31.88/44.63 = 44.63/x
  3. Step 3: Cross multiply
    31.88x = 44.63 × 44.63
  4. Step 4: Simplify right side
    31.88x = 1,991.39
  5. Step 5: Solve for x
    x = 1,991.39/31.88
  6. Step 6: Final answer
    x = 62.48

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.