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Finding the Third Proportional to 999,600.75 and 2,158,769.25

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Solution

The third proportional to 999,600.75 and 2,158,769.25 is: 4,662,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,600.75 : 2,158,769.25 = 2,158,769.25 : x
  2. Step 2: Convert to fraction form
    999,600.75/2,158,769.25 = 2,158,769.25/x
  3. Step 3: Cross multiply
    999,600.75x = 2,158,769.25 × 2,158,769.25
  4. Step 4: Simplify right side
    999,600.75x = 4,660,284,674,745.56
  5. Step 5: Solve for x
    x = 4,660,284,674,745.56/999,600.75
  6. Step 6: Final answer
    x = 4,662,146.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.