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Finding the Third Proportional to 31.50 and 44.88

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Solution

The third proportional to 31.50 and 44.88 is: 63.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.50 : 44.88 = 44.88 : x
  2. Step 2: Convert to fraction form
    31.50/44.88 = 44.88/x
  3. Step 3: Cross multiply
    31.50x = 44.88 × 44.88
  4. Step 4: Simplify right side
    31.50x = 2,013.77
  5. Step 5: Solve for x
    x = 2,013.77/31.50
  6. Step 6: Final answer
    x = 63.93

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.