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Finding the Third Proportional to 393,801.75 and 863,885.25

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Solution

The third proportional to 393,801.75 and 863,885.25 is: 1,895,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,801.75 : 863,885.25 = 863,885.25 : x
  2. Step 2: Convert to fraction form
    393,801.75/863,885.25 = 863,885.25/x
  3. Step 3: Cross multiply
    393,801.75x = 863,885.25 × 863,885.25
  4. Step 4: Simplify right side
    393,801.75x = 746,297,725,167.56
  5. Step 5: Solve for x
    x = 746,297,725,167.56/393,801.75
  6. Step 6: Final answer
    x = 1,895,110.23

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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.