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Finding the Third Proportional to 699,716 and 1,449,218

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Solution

The third proportional to 699,716 and 1,449,218 is: 3,001,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,716 : 1,449,218 = 1,449,218 : x
  2. Step 2: Convert to fraction form
    699,716/1,449,218 = 1,449,218/x
  3. Step 3: Cross multiply
    699,716x = 1,449,218 × 1,449,218
  4. Step 4: Simplify right side
    699,716x = 2,100,232,811,524
  5. Step 5: Solve for x
    x = 2,100,232,811,524/699,716
  6. Step 6: Final answer
    x = 3,001,550.36

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.