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Finding the Third Proportional to 250,201.50 and 550,459.50

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Solution

The third proportional to 250,201.50 and 550,459.50 is: 1,211,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,201.50 : 550,459.50 = 550,459.50 : x
  2. Step 2: Convert to fraction form
    250,201.50/550,459.50 = 550,459.50/x
  3. Step 3: Cross multiply
    250,201.50x = 550,459.50 × 550,459.50
  4. Step 4: Simplify right side
    250,201.50x = 303,005,661,140.25
  5. Step 5: Solve for x
    x = 303,005,661,140.25/250,201.50
  6. Step 6: Final answer
    x = 1,211,046.54

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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.