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Finding the Third Proportional to 361,469 and 769,355

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Solution

The third proportional to 361,469 and 769,355 is: 1,637,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,469 : 769,355 = 769,355 : x
  2. Step 2: Convert to fraction form
    361,469/769,355 = 769,355/x
  3. Step 3: Cross multiply
    361,469x = 769,355 × 769,355
  4. Step 4: Simplify right side
    361,469x = 591,907,116,025
  5. Step 5: Solve for x
    x = 591,907,116,025/361,469
  6. Step 6: Final answer
    x = 1,637,504.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.