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Finding the Third Proportional to 519,068 and 1,115,728

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Solution

The third proportional to 519,068 and 1,115,728 is: 2,398,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,068 : 1,115,728 = 1,115,728 : x
  2. Step 2: Convert to fraction form
    519,068/1,115,728 = 1,115,728/x
  3. Step 3: Cross multiply
    519,068x = 1,115,728 × 1,115,728
  4. Step 4: Simplify right side
    519,068x = 1,244,848,969,984
  5. Step 5: Solve for x
    x = 1,244,848,969,984/519,068
  6. Step 6: Final answer
    x = 2,398,238.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.