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Finding the Third Proportional to 1,313,667 and 1,979,894.25

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Solution

The third proportional to 1,313,667 and 1,979,894.25 is: 2,983,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,667 : 1,979,894.25 = 1,979,894.25 : x
  2. Step 2: Convert to fraction form
    1,313,667/1,979,894.25 = 1,979,894.25/x
  3. Step 3: Cross multiply
    1,313,667x = 1,979,894.25 × 1,979,894.25
  4. Step 4: Simplify right side
    1,313,667x = 3,919,981,241,183.06
  5. Step 5: Solve for x
    x = 3,919,981,241,183.06/1,313,667
  6. Step 6: Final answer
    x = 2,983,999.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.