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Finding the Third Proportional to 197,952 and 440,064

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Solution

The third proportional to 197,952 and 440,064 is: 978,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,952 : 440,064 = 440,064 : x
  2. Step 2: Convert to fraction form
    197,952/440,064 = 440,064/x
  3. Step 3: Cross multiply
    197,952x = 440,064 × 440,064
  4. Step 4: Simplify right side
    197,952x = 193,656,324,096
  5. Step 5: Solve for x
    x = 193,656,324,096/197,952
  6. Step 6: Final answer
    x = 978,299.41

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.