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Finding the Third Proportional to 279,549 and 603,726.75

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Solution

The third proportional to 279,549 and 603,726.75 is: 1,303,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,549 : 603,726.75 = 603,726.75 : x
  2. Step 2: Convert to fraction form
    279,549/603,726.75 = 603,726.75/x
  3. Step 3: Cross multiply
    279,549x = 603,726.75 × 603,726.75
  4. Step 4: Simplify right side
    279,549x = 364,485,988,665.56
  5. Step 5: Solve for x
    x = 364,485,988,665.56/279,549
  6. Step 6: Final answer
    x = 1,303,835.78

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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.