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Finding the Third Proportional to 579,366 and 1,211,679

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Solution

The third proportional to 579,366 and 1,211,679 is: 2,534,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,366 : 1,211,679 = 1,211,679 : x
  2. Step 2: Convert to fraction form
    579,366/1,211,679 = 1,211,679/x
  3. Step 3: Cross multiply
    579,366x = 1,211,679 × 1,211,679
  4. Step 4: Simplify right side
    579,366x = 1,468,165,999,041
  5. Step 5: Solve for x
    x = 1,468,165,999,041/579,366
  6. Step 6: Final answer
    x = 2,534,090.71

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.