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Finding the Third Proportional to 69,511.50 and 107,723.25

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Solution

The third proportional to 69,511.50 and 107,723.25 is: 166,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.50 : 107,723.25 = 107,723.25 : x
  2. Step 2: Convert to fraction form
    69,511.50/107,723.25 = 107,723.25/x
  3. Step 3: Cross multiply
    69,511.50x = 107,723.25 × 107,723.25
  4. Step 4: Simplify right side
    69,511.50x = 11,604,298,590.56
  5. Step 5: Solve for x
    x = 11,604,298,590.56/69,511.50
  6. Step 6: Final answer
    x = 166,940.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.