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Finding the Third Proportional to 8,359.50 and 12,675

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Solution

The third proportional to 8,359.50 and 12,675 is: 19,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.50 : 12,675 = 12,675 : x
  2. Step 2: Convert to fraction form
    8,359.50/12,675 = 12,675/x
  3. Step 3: Cross multiply
    8,359.50x = 12,675 × 12,675
  4. Step 4: Simplify right side
    8,359.50x = 160,655,625
  5. Step 5: Solve for x
    x = 160,655,625/8,359.50
  6. Step 6: Final answer
    x = 19,218.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.