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Finding the Third Proportional to 5,211 and 10,634.25

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Solution

The third proportional to 5,211 and 10,634.25 is: 21,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211 : 10,634.25 = 10,634.25 : x
  2. Step 2: Convert to fraction form
    5,211/10,634.25 = 10,634.25/x
  3. Step 3: Cross multiply
    5,211x = 10,634.25 × 10,634.25
  4. Step 4: Simplify right side
    5,211x = 113,087,273.06
  5. Step 5: Solve for x
    x = 113,087,273.06/5,211
  6. Step 6: Final answer
    x = 21,701.65

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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.