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Finding the Third Proportional to 20,187,778 and 30,274,256

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Solution

The third proportional to 20,187,778 and 30,274,256 is: 45,400,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,778 : 30,274,256 = 30,274,256 : x
  2. Step 2: Convert to fraction form
    20,187,778/30,274,256 = 30,274,256/x
  3. Step 3: Cross multiply
    20,187,778x = 30,274,256 × 30,274,256
  4. Step 4: Simplify right side
    20,187,778x = 916,530,576,353,536
  5. Step 5: Solve for x
    x = 916,530,576,353,536/20,187,778
  6. Step 6: Final answer
    x = 45,400,270.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.