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Finding the Third Proportional to 339,612 and 738,192

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Solution

The third proportional to 339,612 and 738,192 is: 1,604,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,612 : 738,192 = 738,192 : x
  2. Step 2: Convert to fraction form
    339,612/738,192 = 738,192/x
  3. Step 3: Cross multiply
    339,612x = 738,192 × 738,192
  4. Step 4: Simplify right side
    339,612x = 544,927,428,864
  5. Step 5: Solve for x
    x = 544,927,428,864/339,612
  6. Step 6: Final answer
    x = 1,604,558.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.