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Finding the Third Proportional to 8,631,364 and 18,888,192

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Solution

The third proportional to 8,631,364 and 18,888,192 is: 41,333,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,364 : 18,888,192 = 18,888,192 : x
  2. Step 2: Convert to fraction form
    8,631,364/18,888,192 = 18,888,192/x
  3. Step 3: Cross multiply
    8,631,364x = 18,888,192 × 18,888,192
  4. Step 4: Simplify right side
    8,631,364x = 356,763,797,028,864
  5. Step 5: Solve for x
    x = 356,763,797,028,864/8,631,364
  6. Step 6: Final answer
    x = 41,333,420.42

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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.