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Finding the Third Proportional to 13,885,472 and 20,777,918

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Solution

The third proportional to 13,885,472 and 20,777,918 is: 31,091,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,472 : 20,777,918 = 20,777,918 : x
  2. Step 2: Convert to fraction form
    13,885,472/20,777,918 = 20,777,918/x
  3. Step 3: Cross multiply
    13,885,472x = 20,777,918 × 20,777,918
  4. Step 4: Simplify right side
    13,885,472x = 431,721,876,414,724
  5. Step 5: Solve for x
    x = 431,721,876,414,724/13,885,472
  6. Step 6: Final answer
    x = 31,091,624.14

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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.