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Finding the Third Proportional to 8,451,828 and 12,627,985

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Solution

The third proportional to 8,451,828 and 12,627,985 is: 18,867,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451,828 : 12,627,985 = 12,627,985 : x
  2. Step 2: Convert to fraction form
    8,451,828/12,627,985 = 12,627,985/x
  3. Step 3: Cross multiply
    8,451,828x = 12,627,985 × 12,627,985
  4. Step 4: Simplify right side
    8,451,828x = 159,466,005,160,225
  5. Step 5: Solve for x
    x = 159,466,005,160,225/8,451,828
  6. Step 6: Final answer
    x = 18,867,634.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.