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Finding the Third Proportional to 20,380,962 and 31,811,715

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Solution

The third proportional to 20,380,962 and 31,811,715 is: 49,653,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,962 : 31,811,715 = 31,811,715 : x
  2. Step 2: Convert to fraction form
    20,380,962/31,811,715 = 31,811,715/x
  3. Step 3: Cross multiply
    20,380,962x = 31,811,715 × 31,811,715
  4. Step 4: Simplify right side
    20,380,962x = 1,011,985,211,241,225
  5. Step 5: Solve for x
    x = 1,011,985,211,241,225/20,380,962
  6. Step 6: Final answer
    x = 49,653,456.56

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.