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Finding the Third Proportional to 436,660 and 694,360

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Solution

The third proportional to 436,660 and 694,360 is: 1,104,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,660 : 694,360 = 694,360 : x
  2. Step 2: Convert to fraction form
    436,660/694,360 = 694,360/x
  3. Step 3: Cross multiply
    436,660x = 694,360 × 694,360
  4. Step 4: Simplify right side
    436,660x = 482,135,809,600
  5. Step 5: Solve for x
    x = 482,135,809,600/436,660
  6. Step 6: Final answer
    x = 1,104,144.67

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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.