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Finding the Third Proportional to 8,679,231 and 18,901,431

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Solution

The third proportional to 8,679,231 and 18,901,431 is: 41,163,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,231 : 18,901,431 = 18,901,431 : x
  2. Step 2: Convert to fraction form
    8,679,231/18,901,431 = 18,901,431/x
  3. Step 3: Cross multiply
    8,679,231x = 18,901,431 × 18,901,431
  4. Step 4: Simplify right side
    8,679,231x = 357,264,093,847,761
  5. Step 5: Solve for x
    x = 357,264,093,847,761/8,679,231
  6. Step 6: Final answer
    x = 41,163,104.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.