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Finding the Third Proportional to 3,436,578 and 6,786,405

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Solution

The third proportional to 3,436,578 and 6,786,405 is: 13,401,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,578 : 6,786,405 = 6,786,405 : x
  2. Step 2: Convert to fraction form
    3,436,578/6,786,405 = 6,786,405/x
  3. Step 3: Cross multiply
    3,436,578x = 6,786,405 × 6,786,405
  4. Step 4: Simplify right side
    3,436,578x = 46,055,292,824,025
  5. Step 5: Solve for x
    x = 46,055,292,824,025/3,436,578
  6. Step 6: Final answer
    x = 13,401,497.89

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.