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Finding the Third Proportional to 201,147.50 and 303,772.25

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Solution

The third proportional to 201,147.50 and 303,772.25 is: 458,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,147.50 : 303,772.25 = 303,772.25 : x
  2. Step 2: Convert to fraction form
    201,147.50/303,772.25 = 303,772.25/x
  3. Step 3: Cross multiply
    201,147.50x = 303,772.25 × 303,772.25
  4. Step 4: Simplify right side
    201,147.50x = 92,277,579,870.06
  5. Step 5: Solve for x
    x = 92,277,579,870.06/201,147.50
  6. Step 6: Final answer
    x = 458,755.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.