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Finding the Third Proportional to 262,837 and 411,771

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Solution

The third proportional to 262,837 and 411,771 is: 645,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,837 : 411,771 = 411,771 : x
  2. Step 2: Convert to fraction form
    262,837/411,771 = 411,771/x
  3. Step 3: Cross multiply
    262,837x = 411,771 × 411,771
  4. Step 4: Simplify right side
    262,837x = 169,555,356,441
  5. Step 5: Solve for x
    x = 169,555,356,441/262,837
  6. Step 6: Final answer
    x = 645,096.99

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.