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Finding the Third Proportional to 143,147.25 and 226,631.25

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Solution

The third proportional to 143,147.25 and 226,631.25 is: 358,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147.25 : 226,631.25 = 226,631.25 : x
  2. Step 2: Convert to fraction form
    143,147.25/226,631.25 = 226,631.25/x
  3. Step 3: Cross multiply
    143,147.25x = 226,631.25 × 226,631.25
  4. Step 4: Simplify right side
    143,147.25x = 51,361,723,476.56
  5. Step 5: Solve for x
    x = 51,361,723,476.56/143,147.25
  6. Step 6: Final answer
    x = 358,803.42

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.