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Finding the Third Proportional to 366,919 and 767,129

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Solution

The third proportional to 366,919 and 767,129 is: 1,603,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919 : 767,129 = 767,129 : x
  2. Step 2: Convert to fraction form
    366,919/767,129 = 767,129/x
  3. Step 3: Cross multiply
    366,919x = 767,129 × 767,129
  4. Step 4: Simplify right side
    366,919x = 588,486,902,641
  5. Step 5: Solve for x
    x = 588,486,902,641/366,919
  6. Step 6: Final answer
    x = 1,603,860.53

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.