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Finding the Third Proportional to 179,247 and 275,137.50

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Solution

The third proportional to 179,247 and 275,137.50 is: 422,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,247 : 275,137.50 = 275,137.50 : x
  2. Step 2: Convert to fraction form
    179,247/275,137.50 = 275,137.50/x
  3. Step 3: Cross multiply
    179,247x = 275,137.50 × 275,137.50
  4. Step 4: Simplify right side
    179,247x = 75,700,643,906.25
  5. Step 5: Solve for x
    x = 75,700,643,906.25/179,247
  6. Step 6: Final answer
    x = 422,325.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.