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Finding the Third Proportional to 178,696 and 366,905

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Solution

The third proportional to 178,696 and 366,905 is: 753,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,696 : 366,905 = 366,905 : x
  2. Step 2: Convert to fraction form
    178,696/366,905 = 366,905/x
  3. Step 3: Cross multiply
    178,696x = 366,905 × 366,905
  4. Step 4: Simplify right side
    178,696x = 134,619,279,025
  5. Step 5: Solve for x
    x = 134,619,279,025/178,696
  6. Step 6: Final answer
    x = 753,342.43

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.