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Finding the Third Proportional to 31,633.88 and 66,822.75

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Solution

The third proportional to 31,633.88 and 66,822.75 is: 141,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.88 : 66,822.75 = 66,822.75 : x
  2. Step 2: Convert to fraction form
    31,633.88/66,822.75 = 66,822.75/x
  3. Step 3: Cross multiply
    31,633.88x = 66,822.75 × 66,822.75
  4. Step 4: Simplify right side
    31,633.88x = 4,465,279,917.56
  5. Step 5: Solve for x
    x = 4,465,279,917.56/31,633.88
  6. Step 6: Final answer
    x = 141,155.01

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.