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Finding the Third Proportional to 5,387,448 and 11,970,641

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Solution

The third proportional to 5,387,448 and 11,970,641 is: 26,598,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,448 : 11,970,641 = 11,970,641 : x
  2. Step 2: Convert to fraction form
    5,387,448/11,970,641 = 11,970,641/x
  3. Step 3: Cross multiply
    5,387,448x = 11,970,641 × 11,970,641
  4. Step 4: Simplify right side
    5,387,448x = 143,296,245,950,881
  5. Step 5: Solve for x
    x = 143,296,245,950,881/5,387,448
  6. Step 6: Final answer
    x = 26,598,167.81

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.