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Finding the Third Proportional to 222,190.50 and 478,098.75

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Solution

The third proportional to 222,190.50 and 478,098.75 is: 1,028,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,190.50 : 478,098.75 = 478,098.75 : x
  2. Step 2: Convert to fraction form
    222,190.50/478,098.75 = 478,098.75/x
  3. Step 3: Cross multiply
    222,190.50x = 478,098.75 × 478,098.75
  4. Step 4: Simplify right side
    222,190.50x = 228,578,414,751.56
  5. Step 5: Solve for x
    x = 228,578,414,751.56/222,190.50
  6. Step 6: Final answer
    x = 1,028,749.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.