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Finding the Third Proportional to 8,431,828 and 12,624,632

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Solution

The third proportional to 8,431,828 and 12,624,632 is: 18,902,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,828 : 12,624,632 = 12,624,632 : x
  2. Step 2: Convert to fraction form
    8,431,828/12,624,632 = 12,624,632/x
  3. Step 3: Cross multiply
    8,431,828x = 12,624,632 × 12,624,632
  4. Step 4: Simplify right side
    8,431,828x = 159,381,333,135,424
  5. Step 5: Solve for x
    x = 159,381,333,135,424/8,431,828
  6. Step 6: Final answer
    x = 18,902,346.34

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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.