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Finding the Third Proportional to 8,423,622 and 18,192,222

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Solution

The third proportional to 8,423,622 and 18,192,222 is: 39,289,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,622 : 18,192,222 = 18,192,222 : x
  2. Step 2: Convert to fraction form
    8,423,622/18,192,222 = 18,192,222/x
  3. Step 3: Cross multiply
    8,423,622x = 18,192,222 × 18,192,222
  4. Step 4: Simplify right side
    8,423,622x = 330,956,941,297,284
  5. Step 5: Solve for x
    x = 330,956,941,297,284/8,423,622
  6. Step 6: Final answer
    x = 39,289,149.17

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.