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Finding the Third Proportional to 8,637,336 and 18,901,812

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Solution

The third proportional to 8,637,336 and 18,901,812 is: 41,364,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,336 : 18,901,812 = 18,901,812 : x
  2. Step 2: Convert to fraction form
    8,637,336/18,901,812 = 18,901,812/x
  3. Step 3: Cross multiply
    8,637,336x = 18,901,812 × 18,901,812
  4. Step 4: Simplify right side
    8,637,336x = 357,278,496,883,344
  5. Step 5: Solve for x
    x = 357,278,496,883,344/8,637,336
  6. Step 6: Final answer
    x = 41,364,431.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.