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Finding the Third Proportional to 47.63 and 100.88

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Solution

The third proportional to 47.63 and 100.88 is: 213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.63 : 100.88 = 100.88 : x
  2. Step 2: Convert to fraction form
    47.63/100.88 = 100.88/x
  3. Step 3: Cross multiply
    47.63x = 100.88 × 100.88
  4. Step 4: Simplify right side
    47.63x = 10,175.77
  5. Step 5: Solve for x
    x = 10,175.77/47.63
  6. Step 6: Final answer
    x = 213.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.