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Finding the Third Proportional to 1,991,376 and 4,369,824

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Solution

The third proportional to 1,991,376 and 4,369,824 is: 9,589,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,376 : 4,369,824 = 4,369,824 : x
  2. Step 2: Convert to fraction form
    1,991,376/4,369,824 = 4,369,824/x
  3. Step 3: Cross multiply
    1,991,376x = 4,369,824 × 4,369,824
  4. Step 4: Simplify right side
    1,991,376x = 19,095,361,790,976
  5. Step 5: Solve for x
    x = 19,095,361,790,976/1,991,376
  6. Step 6: Final answer
    x = 9,589,028.79

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.