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Finding the Third Proportional to 5,387,472 and 11,970,690

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Solution

The third proportional to 5,387,472 and 11,970,690 is: 26,598,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,472 : 11,970,690 = 11,970,690 : x
  2. Step 2: Convert to fraction form
    5,387,472/11,970,690 = 11,970,690/x
  3. Step 3: Cross multiply
    5,387,472x = 11,970,690 × 11,970,690
  4. Step 4: Simplify right side
    5,387,472x = 143,297,419,076,100
  5. Step 5: Solve for x
    x = 143,297,419,076,100/5,387,472
  6. Step 6: Final answer
    x = 26,598,267.07

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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.