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Finding the Third Proportional to 216,759.38 and 330,250.50

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Solution

The third proportional to 216,759.38 and 330,250.50 is: 503,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,759.38 : 330,250.50 = 330,250.50 : x
  2. Step 2: Convert to fraction form
    216,759.38/330,250.50 = 330,250.50/x
  3. Step 3: Cross multiply
    216,759.38x = 330,250.50 × 330,250.50
  4. Step 4: Simplify right side
    216,759.38x = 109,065,392,750.25
  5. Step 5: Solve for x
    x = 109,065,392,750.25/216,759.38
  6. Step 6: Final answer
    x = 503,163.44

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.