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Finding the Third Proportional to 5,218.50 and 10,677

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Solution

The third proportional to 5,218.50 and 10,677 is: 21,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.50 : 10,677 = 10,677 : x
  2. Step 2: Convert to fraction form
    5,218.50/10,677 = 10,677/x
  3. Step 3: Cross multiply
    5,218.50x = 10,677 × 10,677
  4. Step 4: Simplify right side
    5,218.50x = 113,998,329
  5. Step 5: Solve for x
    x = 113,998,329/5,218.50
  6. Step 6: Final answer
    x = 21,845.04

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.