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Finding the Third Proportional to 21,597,912 and 30,380,073

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Solution

The third proportional to 21,597,912 and 30,380,073 is: 42,733,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597,912 : 30,380,073 = 30,380,073 : x
  2. Step 2: Convert to fraction form
    21,597,912/30,380,073 = 30,380,073/x
  3. Step 3: Cross multiply
    21,597,912x = 30,380,073 × 30,380,073
  4. Step 4: Simplify right side
    21,597,912x = 922,948,835,485,329
  5. Step 5: Solve for x
    x = 922,948,835,485,329/21,597,912
  6. Step 6: Final answer
    x = 42,733,243.63

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.