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Finding the Third Proportional to 355,171.50 and 543,327.75

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Solution

The third proportional to 355,171.50 and 543,327.75 is: 831,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,171.50 : 543,327.75 = 543,327.75 : x
  2. Step 2: Convert to fraction form
    355,171.50/543,327.75 = 543,327.75/x
  3. Step 3: Cross multiply
    355,171.50x = 543,327.75 × 543,327.75
  4. Step 4: Simplify right side
    355,171.50x = 295,205,043,920.06
  5. Step 5: Solve for x
    x = 295,205,043,920.06/355,171.50
  6. Step 6: Final answer
    x = 831,161.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.