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Finding the Third Proportional to 919,326 and 1,379,997

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Solution

The third proportional to 919,326 and 1,379,997 is: 2,071,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,326 : 1,379,997 = 1,379,997 : x
  2. Step 2: Convert to fraction form
    919,326/1,379,997 = 1,379,997/x
  3. Step 3: Cross multiply
    919,326x = 1,379,997 × 1,379,997
  4. Step 4: Simplify right side
    919,326x = 1,904,391,720,009
  5. Step 5: Solve for x
    x = 1,904,391,720,009/919,326
  6. Step 6: Final answer
    x = 2,071,508.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.