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Finding the Third Proportional to 74,256 and 160,104

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Solution

The third proportional to 74,256 and 160,104 is: 345,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256 : 160,104 = 160,104 : x
  2. Step 2: Convert to fraction form
    74,256/160,104 = 160,104/x
  3. Step 3: Cross multiply
    74,256x = 160,104 × 160,104
  4. Step 4: Simplify right side
    74,256x = 25,633,290,816
  5. Step 5: Solve for x
    x = 25,633,290,816/74,256
  6. Step 6: Final answer
    x = 345,201.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.