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Finding the Third Proportional to 458,802 and 699,867

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Solution

The third proportional to 458,802 and 699,867 is: 1,067,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,802 : 699,867 = 699,867 : x
  2. Step 2: Convert to fraction form
    458,802/699,867 = 699,867/x
  3. Step 3: Cross multiply
    458,802x = 699,867 × 699,867
  4. Step 4: Simplify right side
    458,802x = 489,813,817,689
  5. Step 5: Solve for x
    x = 489,813,817,689/458,802
  6. Step 6: Final answer
    x = 1,067,593.03

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.