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Finding the Third Proportional to 166,174 and 257,795

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Solution

The third proportional to 166,174 and 257,795 is: 399,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,174 : 257,795 = 257,795 : x
  2. Step 2: Convert to fraction form
    166,174/257,795 = 257,795/x
  3. Step 3: Cross multiply
    166,174x = 257,795 × 257,795
  4. Step 4: Simplify right side
    166,174x = 66,458,262,025
  5. Step 5: Solve for x
    x = 66,458,262,025/166,174
  6. Step 6: Final answer
    x = 399,931.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.