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Finding the Third Proportional to 363,690 and 789,588

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Solution

The third proportional to 363,690 and 789,588 is: 1,714,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,690 : 789,588 = 789,588 : x
  2. Step 2: Convert to fraction form
    363,690/789,588 = 789,588/x
  3. Step 3: Cross multiply
    363,690x = 789,588 × 789,588
  4. Step 4: Simplify right side
    363,690x = 623,449,209,744
  5. Step 5: Solve for x
    x = 623,449,209,744/363,690
  6. Step 6: Final answer
    x = 1,714,232.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.