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Finding the Third Proportional to 1,222,861.50 and 2,632,709.25

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Solution

The third proportional to 1,222,861.50 and 2,632,709.25 is: 5,667,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,861.50 : 2,632,709.25 = 2,632,709.25 : x
  2. Step 2: Convert to fraction form
    1,222,861.50/2,632,709.25 = 2,632,709.25/x
  3. Step 3: Cross multiply
    1,222,861.50x = 2,632,709.25 × 2,632,709.25
  4. Step 4: Simplify right side
    1,222,861.50x = 6,931,157,995,035.56
  5. Step 5: Solve for x
    x = 6,931,157,995,035.56/1,222,861.50
  6. Step 6: Final answer
    x = 5,667,982.84

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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.