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Finding the Third Proportional to 1,993,899 and 4,324,326

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Solution

The third proportional to 1,993,899 and 4,324,326 is: 9,378,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,899 : 4,324,326 = 4,324,326 : x
  2. Step 2: Convert to fraction form
    1,993,899/4,324,326 = 4,324,326/x
  3. Step 3: Cross multiply
    1,993,899x = 4,324,326 × 4,324,326
  4. Step 4: Simplify right side
    1,993,899x = 18,699,795,354,276
  5. Step 5: Solve for x
    x = 18,699,795,354,276/1,993,899
  6. Step 6: Final answer
    x = 9,378,506.81

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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.