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Finding the Third Proportional to 12,627 and 21,163.50

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Solution

The third proportional to 12,627 and 21,163.50 is: 35,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627 : 21,163.50 = 21,163.50 : x
  2. Step 2: Convert to fraction form
    12,627/21,163.50 = 21,163.50/x
  3. Step 3: Cross multiply
    12,627x = 21,163.50 × 21,163.50
  4. Step 4: Simplify right side
    12,627x = 447,893,732.25
  5. Step 5: Solve for x
    x = 447,893,732.25/12,627
  6. Step 6: Final answer
    x = 35,471.11

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.