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Finding the Third Proportional to 166,486 and 366,904

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Solution

The third proportional to 166,486 and 366,904 is: 808,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486 : 366,904 = 366,904 : x
  2. Step 2: Convert to fraction form
    166,486/366,904 = 366,904/x
  3. Step 3: Cross multiply
    166,486x = 366,904 × 366,904
  4. Step 4: Simplify right side
    166,486x = 134,618,545,216
  5. Step 5: Solve for x
    x = 134,618,545,216/166,486
  6. Step 6: Final answer
    x = 808,587.78

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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.