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Finding the Third Proportional to 8,327,372 and 12,421,974

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Solution

The third proportional to 8,327,372 and 12,421,974 is: 18,529,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327,372 : 12,421,974 = 12,421,974 : x
  2. Step 2: Convert to fraction form
    8,327,372/12,421,974 = 12,421,974/x
  3. Step 3: Cross multiply
    8,327,372x = 12,421,974 × 12,421,974
  4. Step 4: Simplify right side
    8,327,372x = 154,305,438,056,676
  5. Step 5: Solve for x
    x = 154,305,438,056,676/8,327,372
  6. Step 6: Final answer
    x = 18,529,908.12

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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.