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Finding the Third Proportional to 372,515 and 804,568

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Solution

The third proportional to 372,515 and 804,568 is: 1,737,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,515 : 804,568 = 804,568 : x
  2. Step 2: Convert to fraction form
    372,515/804,568 = 804,568/x
  3. Step 3: Cross multiply
    372,515x = 804,568 × 804,568
  4. Step 4: Simplify right side
    372,515x = 647,329,666,624
  5. Step 5: Solve for x
    x = 647,329,666,624/372,515
  6. Step 6: Final answer
    x = 1,737,727.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.