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Finding the Third Proportional to 122,647.50 and 179,933.25

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Solution

The third proportional to 122,647.50 and 179,933.25 is: 263,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,647.50 : 179,933.25 = 179,933.25 : x
  2. Step 2: Convert to fraction form
    122,647.50/179,933.25 = 179,933.25/x
  3. Step 3: Cross multiply
    122,647.50x = 179,933.25 × 179,933.25
  4. Step 4: Simplify right side
    122,647.50x = 32,375,974,455.56
  5. Step 5: Solve for x
    x = 32,375,974,455.56/122,647.50
  6. Step 6: Final answer
    x = 263,975.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.