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Finding the Third Proportional to 5,412,581 and 11,777,994.56

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Solution

The third proportional to 5,412,581 and 11,777,994.56 is: 25,629,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,581 : 11,777,994.56 = 11,777,994.56 : x
  2. Step 2: Convert to fraction form
    5,412,581/11,777,994.56 = 11,777,994.56/x
  3. Step 3: Cross multiply
    5,412,581x = 11,777,994.56 × 11,777,994.56
  4. Step 4: Simplify right side
    5,412,581x = 138,721,155,914,279.56
  5. Step 5: Solve for x
    x = 138,721,155,914,279.56/5,412,581
  6. Step 6: Final answer
    x = 25,629,391.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.