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Finding the Third Proportional to 6,667,578 and 9,957,447

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Solution

The third proportional to 6,667,578 and 9,957,447 is: 14,870,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,578 : 9,957,447 = 9,957,447 : x
  2. Step 2: Convert to fraction form
    6,667,578/9,957,447 = 9,957,447/x
  3. Step 3: Cross multiply
    6,667,578x = 9,957,447 × 9,957,447
  4. Step 4: Simplify right side
    6,667,578x = 99,150,750,757,809
  5. Step 5: Solve for x
    x = 99,150,750,757,809/6,667,578
  6. Step 6: Final answer
    x = 14,870,579.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.