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Finding the Third Proportional to 889,616 and 1,376,976

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Solution

The third proportional to 889,616 and 1,376,976 is: 2,131,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,616 : 1,376,976 = 1,376,976 : x
  2. Step 2: Convert to fraction form
    889,616/1,376,976 = 1,376,976/x
  3. Step 3: Cross multiply
    889,616x = 1,376,976 × 1,376,976
  4. Step 4: Simplify right side
    889,616x = 1,896,062,904,576
  5. Step 5: Solve for x
    x = 1,896,062,904,576/889,616
  6. Step 6: Final answer
    x = 2,131,327.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.