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Finding the Third Proportional to 5,412,674 and 11,641,828

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Solution

The third proportional to 5,412,674 and 11,641,828 is: 25,039,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,674 : 11,641,828 = 11,641,828 : x
  2. Step 2: Convert to fraction form
    5,412,674/11,641,828 = 11,641,828/x
  3. Step 3: Cross multiply
    5,412,674x = 11,641,828 × 11,641,828
  4. Step 4: Simplify right side
    5,412,674x = 135,532,159,181,584
  5. Step 5: Solve for x
    x = 135,532,159,181,584/5,412,674
  6. Step 6: Final answer
    x = 25,039,778.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.