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Finding the Third Proportional to 12,647.25 and 20,133

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Solution

The third proportional to 12,647.25 and 20,133 is: 32,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.25 : 20,133 = 20,133 : x
  2. Step 2: Convert to fraction form
    12,647.25/20,133 = 20,133/x
  3. Step 3: Cross multiply
    12,647.25x = 20,133 × 20,133
  4. Step 4: Simplify right side
    12,647.25x = 405,337,689
  5. Step 5: Solve for x
    x = 405,337,689/12,647.25
  6. Step 6: Final answer
    x = 32,049.47

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.