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Finding the Third Proportional to 92,940 and 197,868

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Solution

The third proportional to 92,940 and 197,868 is: 421,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940 : 197,868 = 197,868 : x
  2. Step 2: Convert to fraction form
    92,940/197,868 = 197,868/x
  3. Step 3: Cross multiply
    92,940x = 197,868 × 197,868
  4. Step 4: Simplify right side
    92,940x = 39,151,745,424
  5. Step 5: Solve for x
    x = 39,151,745,424/92,940
  6. Step 6: Final answer
    x = 421,258.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.