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Finding the Third Proportional to 339,558 and 743,916

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Solution

The third proportional to 339,558 and 743,916 is: 1,629,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,558 : 743,916 = 743,916 : x
  2. Step 2: Convert to fraction form
    339,558/743,916 = 743,916/x
  3. Step 3: Cross multiply
    339,558x = 743,916 × 743,916
  4. Step 4: Simplify right side
    339,558x = 553,411,015,056
  5. Step 5: Solve for x
    x = 553,411,015,056/339,558
  6. Step 6: Final answer
    x = 1,629,798.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.