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Finding the Third Proportional to 54,553.50 and 81,010.13

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Solution

The third proportional to 54,553.50 and 81,010.13 is: 120,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.50 : 81,010.13 = 81,010.13 : x
  2. Step 2: Convert to fraction form
    54,553.50/81,010.13 = 81,010.13/x
  3. Step 3: Cross multiply
    54,553.50x = 81,010.13 × 81,010.13
  4. Step 4: Simplify right side
    54,553.50x = 6,562,640,352.52
  5. Step 5: Solve for x
    x = 6,562,640,352.52/54,553.50
  6. Step 6: Final answer
    x = 120,297.33

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.