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Finding the Third Proportional to 5,535,918 and 11,981,628

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Solution

The third proportional to 5,535,918 and 11,981,628 is: 25,932,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535,918 : 11,981,628 = 11,981,628 : x
  2. Step 2: Convert to fraction form
    5,535,918/11,981,628 = 11,981,628/x
  3. Step 3: Cross multiply
    5,535,918x = 11,981,628 × 11,981,628
  4. Step 4: Simplify right side
    5,535,918x = 143,559,409,530,384
  5. Step 5: Solve for x
    x = 143,559,409,530,384/5,535,918
  6. Step 6: Final answer
    x = 25,932,358.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.