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Finding the Third Proportional to 3,149,154 and 4,722,909

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Solution

The third proportional to 3,149,154 and 4,722,909 is: 7,083,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,154 : 4,722,909 = 4,722,909 : x
  2. Step 2: Convert to fraction form
    3,149,154/4,722,909 = 4,722,909/x
  3. Step 3: Cross multiply
    3,149,154x = 4,722,909 × 4,722,909
  4. Step 4: Simplify right side
    3,149,154x = 22,305,869,422,281
  5. Step 5: Solve for x
    x = 22,305,869,422,281/3,149,154
  6. Step 6: Final answer
    x = 7,083,130.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.