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Finding the Third Proportional to 11,890,052 and 18,218,864

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Solution

The third proportional to 11,890,052 and 18,218,864 is: 27,916,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,052 : 18,218,864 = 18,218,864 : x
  2. Step 2: Convert to fraction form
    11,890,052/18,218,864 = 18,218,864/x
  3. Step 3: Cross multiply
    11,890,052x = 18,218,864 × 18,218,864
  4. Step 4: Simplify right side
    11,890,052x = 331,927,005,450,496
  5. Step 5: Solve for x
    x = 331,927,005,450,496/11,890,052
  6. Step 6: Final answer
    x = 27,916,362.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.