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Finding the Third Proportional to 8,286,655 and 12,544,589

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Solution

The third proportional to 8,286,655 and 12,544,589 is: 18,990,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286,655 : 12,544,589 = 12,544,589 : x
  2. Step 2: Convert to fraction form
    8,286,655/12,544,589 = 12,544,589/x
  3. Step 3: Cross multiply
    8,286,655x = 12,544,589 × 12,544,589
  4. Step 4: Simplify right side
    8,286,655x = 157,366,713,178,921
  5. Step 5: Solve for x
    x = 157,366,713,178,921/8,286,655
  6. Step 6: Final answer
    x = 18,990,378.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.