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Finding the Third Proportional to 8,629.03 and 20,439.84

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Solution

The third proportional to 8,629.03 and 20,439.84 is: 48,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.03 : 20,439.84 = 20,439.84 : x
  2. Step 2: Convert to fraction form
    8,629.03/20,439.84 = 20,439.84/x
  3. Step 3: Cross multiply
    8,629.03x = 20,439.84 × 20,439.84
  4. Step 4: Simplify right side
    8,629.03x = 417,787,212.52
  5. Step 5: Solve for x
    x = 417,787,212.52/8,629.03
  6. Step 6: Final answer
    x = 48,416.47

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.