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Finding the Third Proportional to 69,107.75 and 105,845.75

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Solution

The third proportional to 69,107.75 and 105,845.75 is: 162,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.75 : 105,845.75 = 105,845.75 : x
  2. Step 2: Convert to fraction form
    69,107.75/105,845.75 = 105,845.75/x
  3. Step 3: Cross multiply
    69,107.75x = 105,845.75 × 105,845.75
  4. Step 4: Simplify right side
    69,107.75x = 11,203,322,793.06
  5. Step 5: Solve for x
    x = 11,203,322,793.06/69,107.75
  6. Step 6: Final answer
    x = 162,113.84

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.