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Finding the Third Proportional to 5,217.75 and 10,630.13

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Solution

The third proportional to 5,217.75 and 10,630.13 is: 21,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.75 : 10,630.13 = 10,630.13 : x
  2. Step 2: Convert to fraction form
    5,217.75/10,630.13 = 10,630.13/x
  3. Step 3: Cross multiply
    5,217.75x = 10,630.13 × 10,630.13
  4. Step 4: Simplify right side
    5,217.75x = 112,999,557.52
  5. Step 5: Solve for x
    x = 112,999,557.52/5,217.75
  6. Step 6: Final answer
    x = 21,656.76

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.