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Finding the Third Proportional to 20,791,942,349 and 45,393,961,285

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Solution

The third proportional to 20,791,942,349 and 45,393,961,285 is: 99,106,263,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,791,942,349 : 45,393,961,285 = 45,393,961,285 : x
  2. Step 2: Convert to fraction form
    20,791,942,349/45,393,961,285 = 45,393,961,285/x
  3. Step 3: Cross multiply
    20,791,942,349x = 45,393,961,285 × 45,393,961,285
  4. Step 4: Simplify right side
    20,791,942,349x = 2,060,611,721,144,078,958,592
  5. Step 5: Solve for x
    x = 2,060,611,721,144,078,958,592/20,791,942,349
  6. Step 6: Final answer
    x = 99,106,263,693.69

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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.