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Finding the Third Proportional to 11,820,790 and 25,659,299

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Solution

The third proportional to 11,820,790 and 25,659,299 is: 55,698,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820,790 : 25,659,299 = 25,659,299 : x
  2. Step 2: Convert to fraction form
    11,820,790/25,659,299 = 25,659,299/x
  3. Step 3: Cross multiply
    11,820,790x = 25,659,299 × 25,659,299
  4. Step 4: Simplify right side
    11,820,790x = 658,399,625,171,401
  5. Step 5: Solve for x
    x = 658,399,625,171,401/11,820,790
  6. Step 6: Final answer
    x = 55,698,445.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.