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Finding the Third Proportional to 232,245 and 339,405

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Solution

The third proportional to 232,245 and 339,405 is: 496,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,245 : 339,405 = 339,405 : x
  2. Step 2: Convert to fraction form
    232,245/339,405 = 339,405/x
  3. Step 3: Cross multiply
    232,245x = 339,405 × 339,405
  4. Step 4: Simplify right side
    232,245x = 115,195,754,025
  5. Step 5: Solve for x
    x = 115,195,754,025/232,245
  6. Step 6: Final answer
    x = 496,009.62

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.