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Finding the Third Proportional to 197,016 and 408,046

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Solution

The third proportional to 197,016 and 408,046 is: 845,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,016 : 408,046 = 408,046 : x
  2. Step 2: Convert to fraction form
    197,016/408,046 = 408,046/x
  3. Step 3: Cross multiply
    197,016x = 408,046 × 408,046
  4. Step 4: Simplify right side
    197,016x = 166,501,538,116
  5. Step 5: Solve for x
    x = 166,501,538,116/197,016
  6. Step 6: Final answer
    x = 845,116.83

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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.