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Finding the Third Proportional to 9,018,208 and 19,980,864

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Solution

The third proportional to 9,018,208 and 19,980,864 is: 44,269,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,208 : 19,980,864 = 19,980,864 : x
  2. Step 2: Convert to fraction form
    9,018,208/19,980,864 = 19,980,864/x
  3. Step 3: Cross multiply
    9,018,208x = 19,980,864 × 19,980,864
  4. Step 4: Simplify right side
    9,018,208x = 399,234,926,186,496
  5. Step 5: Solve for x
    x = 399,234,926,186,496/9,018,208
  6. Step 6: Final answer
    x = 44,269,873.37

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.