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Finding the Third Proportional to 159,322.57 and 345,640.92

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Solution

The third proportional to 159,322.57 and 345,640.92 is: 749,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,322.57 : 345,640.92 = 345,640.92 : x
  2. Step 2: Convert to fraction form
    159,322.57/345,640.92 = 345,640.92/x
  3. Step 3: Cross multiply
    159,322.57x = 345,640.92 × 345,640.92
  4. Step 4: Simplify right side
    159,322.57x = 119,467,646,874.60
  5. Step 5: Solve for x
    x = 119,467,646,874.60/159,322.57
  6. Step 6: Final answer
    x = 749,847.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.