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Finding the Third Proportional to 93,981 and 206,655

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Solution

The third proportional to 93,981 and 206,655 is: 454,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,981 : 206,655 = 206,655 : x
  2. Step 2: Convert to fraction form
    93,981/206,655 = 206,655/x
  3. Step 3: Cross multiply
    93,981x = 206,655 × 206,655
  4. Step 4: Simplify right side
    93,981x = 42,706,289,025
  5. Step 5: Solve for x
    x = 42,706,289,025/93,981
  6. Step 6: Final answer
    x = 454,414.07

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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.