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Finding the Third Proportional to 12,379.50 and 25,982.44

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Solution

The third proportional to 12,379.50 and 25,982.44 is: 54,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.50 : 25,982.44 = 25,982.44 : x
  2. Step 2: Convert to fraction form
    12,379.50/25,982.44 = 25,982.44/x
  3. Step 3: Cross multiply
    12,379.50x = 25,982.44 × 25,982.44
  4. Step 4: Simplify right side
    12,379.50x = 675,087,058.44
  5. Step 5: Solve for x
    x = 675,087,058.44/12,379.50
  6. Step 6: Final answer
    x = 54,532.66

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.