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Finding the Third Proportional to 412,144 and 874,832

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Solution

The third proportional to 412,144 and 874,832 is: 1,856,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,144 : 874,832 = 874,832 : x
  2. Step 2: Convert to fraction form
    412,144/874,832 = 874,832/x
  3. Step 3: Cross multiply
    412,144x = 874,832 × 874,832
  4. Step 4: Simplify right side
    412,144x = 765,331,028,224
  5. Step 5: Solve for x
    x = 765,331,028,224/412,144
  6. Step 6: Final answer
    x = 1,856,950.55

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.