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Finding the Third Proportional to 11,889,796.36 and 18,218,513.04

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Solution

The third proportional to 11,889,796.36 and 18,218,513.04 is: 27,915,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,796.36 : 18,218,513.04 = 18,218,513.04 : x
  2. Step 2: Convert to fraction form
    11,889,796.36/18,218,513.04 = 18,218,513.04/x
  3. Step 3: Cross multiply
    11,889,796.36x = 18,218,513.04 × 18,218,513.04
  4. Step 4: Simplify right side
    11,889,796.36x = 331,914,217,354,472.12
  5. Step 5: Solve for x
    x = 331,914,217,354,472.12/11,889,796.36
  6. Step 6: Final answer
    x = 27,915,887.48

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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.