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Finding the Third Proportional to 133,375.50 and 237,145.50

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Solution

The third proportional to 133,375.50 and 237,145.50 is: 421,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,375.50 : 237,145.50 = 237,145.50 : x
  2. Step 2: Convert to fraction form
    133,375.50/237,145.50 = 237,145.50/x
  3. Step 3: Cross multiply
    133,375.50x = 237,145.50 × 237,145.50
  4. Step 4: Simplify right side
    133,375.50x = 56,237,988,170.25
  5. Step 5: Solve for x
    x = 56,237,988,170.25/133,375.50
  6. Step 6: Final answer
    x = 421,651.56

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.