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Finding the Third Proportional to 74,841.75 and 158,112.75

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Solution

The third proportional to 74,841.75 and 158,112.75 is: 334,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.75 : 158,112.75 = 158,112.75 : x
  2. Step 2: Convert to fraction form
    74,841.75/158,112.75 = 158,112.75/x
  3. Step 3: Cross multiply
    74,841.75x = 158,112.75 × 158,112.75
  4. Step 4: Simplify right side
    74,841.75x = 24,999,641,712.56
  5. Step 5: Solve for x
    x = 24,999,641,712.56/74,841.75
  6. Step 6: Final answer
    x = 334,033.37

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.