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Finding the Third Proportional to 1,993,921 and 4,324,370

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Solution

The third proportional to 1,993,921 and 4,324,370 is: 9,378,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,921 : 4,324,370 = 4,324,370 : x
  2. Step 2: Convert to fraction form
    1,993,921/4,324,370 = 4,324,370/x
  3. Step 3: Cross multiply
    1,993,921x = 4,324,370 × 4,324,370
  4. Step 4: Simplify right side
    1,993,921x = 18,700,175,896,900
  5. Step 5: Solve for x
    x = 18,700,175,896,900/1,993,921
  6. Step 6: Final answer
    x = 9,378,594.19

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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.