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Finding the Third Proportional to 436,608 and 694,278

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Solution

The third proportional to 436,608 and 694,278 is: 1,104,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,608 : 694,278 = 694,278 : x
  2. Step 2: Convert to fraction form
    436,608/694,278 = 694,278/x
  3. Step 3: Cross multiply
    436,608x = 694,278 × 694,278
  4. Step 4: Simplify right side
    436,608x = 482,021,941,284
  5. Step 5: Solve for x
    x = 482,021,941,284/436,608
  6. Step 6: Final answer
    x = 1,104,015.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.