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Finding the Third Proportional to 166,131 and 365,490

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Solution

The third proportional to 166,131 and 365,490 is: 804,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,131 : 365,490 = 365,490 : x
  2. Step 2: Convert to fraction form
    166,131/365,490 = 365,490/x
  3. Step 3: Cross multiply
    166,131x = 365,490 × 365,490
  4. Step 4: Simplify right side
    166,131x = 133,582,940,100
  5. Step 5: Solve for x
    x = 133,582,940,100/166,131
  6. Step 6: Final answer
    x = 804,081.96

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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.