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Finding the Third Proportional to 159,991.75 and 343,726.75

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Solution

The third proportional to 159,991.75 and 343,726.75 is: 738,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,991.75 : 343,726.75 = 343,726.75 : x
  2. Step 2: Convert to fraction form
    159,991.75/343,726.75 = 343,726.75/x
  3. Step 3: Cross multiply
    159,991.75x = 343,726.75 × 343,726.75
  4. Step 4: Simplify right side
    159,991.75x = 118,148,078,665.56
  5. Step 5: Solve for x
    x = 118,148,078,665.56/159,991.75
  6. Step 6: Final answer
    x = 738,463.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.