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Finding the Third Proportional to 8,511,361 and 12,736,885

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Solution

The third proportional to 8,511,361 and 12,736,885 is: 19,060,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,361 : 12,736,885 = 12,736,885 : x
  2. Step 2: Convert to fraction form
    8,511,361/12,736,885 = 12,736,885/x
  3. Step 3: Cross multiply
    8,511,361x = 12,736,885 × 12,736,885
  4. Step 4: Simplify right side
    8,511,361x = 162,228,239,503,225
  5. Step 5: Solve for x
    x = 162,228,239,503,225/8,511,361
  6. Step 6: Final answer
    x = 19,060,199.60

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Why These Related Problems?

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