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Finding the Third Proportional to 169,938 and 347,247

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Solution

The third proportional to 169,938 and 347,247 is: 709,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938 : 347,247 = 347,247 : x
  2. Step 2: Convert to fraction form
    169,938/347,247 = 347,247/x
  3. Step 3: Cross multiply
    169,938x = 347,247 × 347,247
  4. Step 4: Simplify right side
    169,938x = 120,580,479,009
  5. Step 5: Solve for x
    x = 120,580,479,009/169,938
  6. Step 6: Final answer
    x = 709,555.71

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.