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Finding the Third Proportional to 354,469 and 764,594

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Solution

The third proportional to 354,469 and 764,594 is: 1,649,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,469 : 764,594 = 764,594 : x
  2. Step 2: Convert to fraction form
    354,469/764,594 = 764,594/x
  3. Step 3: Cross multiply
    354,469x = 764,594 × 764,594
  4. Step 4: Simplify right side
    354,469x = 584,603,984,836
  5. Step 5: Solve for x
    x = 584,603,984,836/354,469
  6. Step 6: Final answer
    x = 1,649,238.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.