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Finding the Third Proportional to 197,046 and 408,105

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Solution

The third proportional to 197,046 and 408,105 is: 845,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,046 : 408,105 = 408,105 : x
  2. Step 2: Convert to fraction form
    197,046/408,105 = 408,105/x
  3. Step 3: Cross multiply
    197,046x = 408,105 × 408,105
  4. Step 4: Simplify right side
    197,046x = 166,549,691,025
  5. Step 5: Solve for x
    x = 166,549,691,025/197,046
  6. Step 6: Final answer
    x = 845,232.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.