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Finding the Third Proportional to 43,887.13 and 66,218.44

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Solution

The third proportional to 43,887.13 and 66,218.44 is: 99,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.13 : 66,218.44 = 66,218.44 : x
  2. Step 2: Convert to fraction form
    43,887.13/66,218.44 = 66,218.44/x
  3. Step 3: Cross multiply
    43,887.13x = 66,218.44 × 66,218.44
  4. Step 4: Simplify right side
    43,887.13x = 4,384,881,464.94
  5. Step 5: Solve for x
    x = 4,384,881,464.94/43,887.13
  6. Step 6: Final answer
    x = 99,912.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.