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Finding the Third Proportional to 69,555.38 and 104,982.75

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Solution

The third proportional to 69,555.38 and 104,982.75 is: 158,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.38 : 104,982.75 = 104,982.75 : x
  2. Step 2: Convert to fraction form
    69,555.38/104,982.75 = 104,982.75/x
  3. Step 3: Cross multiply
    69,555.38x = 104,982.75 × 104,982.75
  4. Step 4: Simplify right side
    69,555.38x = 11,021,377,797.56
  5. Step 5: Solve for x
    x = 11,021,377,797.56/69,555.38
  6. Step 6: Final answer
    x = 158,454.72

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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.