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Finding the Third Proportional to 267,439 and 582,842

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Solution

The third proportional to 267,439 and 582,842 is: 1,270,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,439 : 582,842 = 582,842 : x
  2. Step 2: Convert to fraction form
    267,439/582,842 = 582,842/x
  3. Step 3: Cross multiply
    267,439x = 582,842 × 582,842
  4. Step 4: Simplify right side
    267,439x = 339,704,796,964
  5. Step 5: Solve for x
    x = 339,704,796,964/267,439
  6. Step 6: Final answer
    x = 1,270,214.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.