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Finding the Third Proportional to 21 and 44.63

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Solution

The third proportional to 21 and 44.63 is: 94.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21 : 44.63 = 44.63 : x
  2. Step 2: Convert to fraction form
    21/44.63 = 44.63/x
  3. Step 3: Cross multiply
    21x = 44.63 × 44.63
  4. Step 4: Simplify right side
    21x = 1,991.39
  5. Step 5: Solve for x
    x = 1,991.39/21
  6. Step 6: Final answer
    x = 94.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.