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Finding the Third Proportional to 170,799 and 255,258

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Solution

The third proportional to 170,799 and 255,258 is: 381,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799 : 255,258 = 255,258 : x
  2. Step 2: Convert to fraction form
    170,799/255,258 = 255,258/x
  3. Step 3: Cross multiply
    170,799x = 255,258 × 255,258
  4. Step 4: Simplify right side
    170,799x = 65,156,646,564
  5. Step 5: Solve for x
    x = 65,156,646,564/170,799
  6. Step 6: Final answer
    x = 381,481.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.