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Finding the Third Proportional to 143,890.50 and 225,228.38

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Solution

The third proportional to 143,890.50 and 225,228.38 is: 352,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,890.50 : 225,228.38 = 225,228.38 : x
  2. Step 2: Convert to fraction form
    143,890.50/225,228.38 = 225,228.38/x
  3. Step 3: Cross multiply
    143,890.50x = 225,228.38 × 225,228.38
  4. Step 4: Simplify right side
    143,890.50x = 50,727,820,905.14
  5. Step 5: Solve for x
    x = 50,727,820,905.14/143,890.50
  6. Step 6: Final answer
    x = 352,544.61

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.