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Finding the Third Proportional to 382,916 and 635,974

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Solution

The third proportional to 382,916 and 635,974 is: 1,056,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,916 : 635,974 = 635,974 : x
  2. Step 2: Convert to fraction form
    382,916/635,974 = 635,974/x
  3. Step 3: Cross multiply
    382,916x = 635,974 × 635,974
  4. Step 4: Simplify right side
    382,916x = 404,462,928,676
  5. Step 5: Solve for x
    x = 404,462,928,676/382,916
  6. Step 6: Final answer
    x = 1,056,270.64

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.