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Finding the Third Proportional to 242,349.75 and 339,599.25

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Solution

The third proportional to 242,349.75 and 339,599.25 is: 475,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,349.75 : 339,599.25 = 339,599.25 : x
  2. Step 2: Convert to fraction form
    242,349.75/339,599.25 = 339,599.25/x
  3. Step 3: Cross multiply
    242,349.75x = 339,599.25 × 339,599.25
  4. Step 4: Simplify right side
    242,349.75x = 115,327,650,600.56
  5. Step 5: Solve for x
    x = 115,327,650,600.56/242,349.75
  6. Step 6: Final answer
    x = 475,872.79

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.