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Finding the Third Proportional to 5,320,826 and 11,636,980

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Solution

The third proportional to 5,320,826 and 11,636,980 is: 25,450,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,826 : 11,636,980 = 11,636,980 : x
  2. Step 2: Convert to fraction form
    5,320,826/11,636,980 = 11,636,980/x
  3. Step 3: Cross multiply
    5,320,826x = 11,636,980 × 11,636,980
  4. Step 4: Simplify right side
    5,320,826x = 135,419,303,520,400
  5. Step 5: Solve for x
    x = 135,419,303,520,400/5,320,826
  6. Step 6: Final answer
    x = 25,450,804.73

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Why These Related Problems?

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