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Finding the Third Proportional to 89,946 and 197,996

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Solution

The third proportional to 89,946 and 197,996 is: 435,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,946 : 197,996 = 197,996 : x
  2. Step 2: Convert to fraction form
    89,946/197,996 = 197,996/x
  3. Step 3: Cross multiply
    89,946x = 197,996 × 197,996
  4. Step 4: Simplify right side
    89,946x = 39,202,416,016
  5. Step 5: Solve for x
    x = 39,202,416,016/89,946
  6. Step 6: Final answer
    x = 435,843.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.