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Finding the Third Proportional to 1,993,939.50 and 4,324,407

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Solution

The third proportional to 1,993,939.50 and 4,324,407 is: 9,378,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,939.50 : 4,324,407 = 4,324,407 : x
  2. Step 2: Convert to fraction form
    1,993,939.50/4,324,407 = 4,324,407/x
  3. Step 3: Cross multiply
    1,993,939.50x = 4,324,407 × 4,324,407
  4. Step 4: Simplify right side
    1,993,939.50x = 18,700,495,901,649
  5. Step 5: Solve for x
    x = 18,700,495,901,649/1,993,939.50
  6. Step 6: Final answer
    x = 9,378,667.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.