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Finding the Third Proportional to 140,832 and 313,153

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Solution

The third proportional to 140,832 and 313,153 is: 696,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832 : 313,153 = 313,153 : x
  2. Step 2: Convert to fraction form
    140,832/313,153 = 313,153/x
  3. Step 3: Cross multiply
    140,832x = 313,153 × 313,153
  4. Step 4: Simplify right side
    140,832x = 98,064,801,409
  5. Step 5: Solve for x
    x = 98,064,801,409/140,832
  6. Step 6: Final answer
    x = 696,324.71

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.