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Finding the Third Proportional to 5,211 and 9,348.75

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Solution

The third proportional to 5,211 and 9,348.75 is: 16,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211 : 9,348.75 = 9,348.75 : x
  2. Step 2: Convert to fraction form
    5,211/9,348.75 = 9,348.75/x
  3. Step 3: Cross multiply
    5,211x = 9,348.75 × 9,348.75
  4. Step 4: Simplify right side
    5,211x = 87,399,126.56
  5. Step 5: Solve for x
    x = 87,399,126.56/5,211
  6. Step 6: Final answer
    x = 16,772.05

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.