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Finding the Third Proportional to 6,231,979.13 and 9,741,628.69

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Solution

The third proportional to 6,231,979.13 and 9,741,628.69 is: 15,227,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,979.13 : 9,741,628.69 = 9,741,628.69 : x
  2. Step 2: Convert to fraction form
    6,231,979.13/9,741,628.69 = 9,741,628.69/x
  3. Step 3: Cross multiply
    6,231,979.13x = 9,741,628.69 × 9,741,628.69
  4. Step 4: Simplify right side
    6,231,979.13x = 94,899,329,485,122.97
  5. Step 5: Solve for x
    x = 94,899,329,485,122.97/6,231,979.13
  6. Step 6: Final answer
    x = 15,227,799.64

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.