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Finding the Third Proportional to 69,612.75 and 104,158.13

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Solution

The third proportional to 69,612.75 and 104,158.13 is: 155,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.75 : 104,158.13 = 104,158.13 : x
  2. Step 2: Convert to fraction form
    69,612.75/104,158.13 = 104,158.13/x
  3. Step 3: Cross multiply
    69,612.75x = 104,158.13 × 104,158.13
  4. Step 4: Simplify right side
    69,612.75x = 10,848,915,003.52
  5. Step 5: Solve for x
    x = 10,848,915,003.52/69,612.75
  6. Step 6: Final answer
    x = 155,846.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.