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Finding the Third Proportional to 351,909 and 773,797.50

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Solution

The third proportional to 351,909 and 773,797.50 is: 1,701,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,909 : 773,797.50 = 773,797.50 : x
  2. Step 2: Convert to fraction form
    351,909/773,797.50 = 773,797.50/x
  3. Step 3: Cross multiply
    351,909x = 773,797.50 × 773,797.50
  4. Step 4: Simplify right side
    351,909x = 598,762,571,006.25
  5. Step 5: Solve for x
    x = 598,762,571,006.25/351,909
  6. Step 6: Final answer
    x = 1,701,469.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.