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Finding the Third Proportional to 9,951,667 and 21,286,962

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Solution

The third proportional to 9,951,667 and 21,286,962 is: 45,533,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951,667 : 21,286,962 = 21,286,962 : x
  2. Step 2: Convert to fraction form
    9,951,667/21,286,962 = 21,286,962/x
  3. Step 3: Cross multiply
    9,951,667x = 21,286,962 × 21,286,962
  4. Step 4: Simplify right side
    9,951,667x = 453,134,751,189,444
  5. Step 5: Solve for x
    x = 453,134,751,189,444/9,951,667
  6. Step 6: Final answer
    x = 45,533,552.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.