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Finding the Third Proportional to 20,455,462 and 45,451,035

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Solution

The third proportional to 20,455,462 and 45,451,035 is: 100,989,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,462 : 45,451,035 = 45,451,035 : x
  2. Step 2: Convert to fraction form
    20,455,462/45,451,035 = 45,451,035/x
  3. Step 3: Cross multiply
    20,455,462x = 45,451,035 × 45,451,035
  4. Step 4: Simplify right side
    20,455,462x = 2,065,796,582,571,225
  5. Step 5: Solve for x
    x = 2,065,796,582,571,225/20,455,462
  6. Step 6: Final answer
    x = 100,989,974.34

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.