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Finding the Third Proportional to 322,704 and 451,368

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Solution

The third proportional to 322,704 and 451,368 is: 631,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,704 : 451,368 = 451,368 : x
  2. Step 2: Convert to fraction form
    322,704/451,368 = 451,368/x
  3. Step 3: Cross multiply
    322,704x = 451,368 × 451,368
  4. Step 4: Simplify right side
    322,704x = 203,733,071,424
  5. Step 5: Solve for x
    x = 203,733,071,424/322,704
  6. Step 6: Final answer
    x = 631,331.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.