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Finding the Third Proportional to 20,950,451 and 45,102,777

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Solution

The third proportional to 20,950,451 and 45,102,777 is: 97,098,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,451 : 45,102,777 = 45,102,777 : x
  2. Step 2: Convert to fraction form
    20,950,451/45,102,777 = 45,102,777/x
  3. Step 3: Cross multiply
    20,950,451x = 45,102,777 × 45,102,777
  4. Step 4: Simplify right side
    20,950,451x = 2,034,260,493,111,729
  5. Step 5: Solve for x
    x = 2,034,260,493,111,729/20,950,451
  6. Step 6: Final answer
    x = 97,098,649.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.