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Finding the Third Proportional to 20,566,945,638 and 41,712,186,979

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Solution

The third proportional to 20,566,945,638 and 41,712,186,979 is: 84,597,225,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566,945,638 : 41,712,186,979 = 41,712,186,979 : x
  2. Step 2: Convert to fraction form
    20,566,945,638/41,712,186,979 = 41,712,186,979/x
  3. Step 3: Cross multiply
    20,566,945,638x = 41,712,186,979 × 41,712,186,979
  4. Step 4: Simplify right side
    20,566,945,638x = 1,739,906,542,571,057,053,696
  5. Step 5: Solve for x
    x = 1,739,906,542,571,057,053,696/20,566,945,638
  6. Step 6: Final answer
    x = 84,597,225,723.02

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.