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Finding the Third Proportional to 69,027.50 and 150,979

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Solution

The third proportional to 69,027.50 and 150,979 is: 330,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,027.50 : 150,979 = 150,979 : x
  2. Step 2: Convert to fraction form
    69,027.50/150,979 = 150,979/x
  3. Step 3: Cross multiply
    69,027.50x = 150,979 × 150,979
  4. Step 4: Simplify right side
    69,027.50x = 22,794,658,441
  5. Step 5: Solve for x
    x = 22,794,658,441/69,027.50
  6. Step 6: Final answer
    x = 330,225.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.