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Finding the Third Proportional to 74,798.44 and 111,939.47

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Solution

The third proportional to 74,798.44 and 111,939.47 is: 167,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,798.44 : 111,939.47 = 111,939.47 : x
  2. Step 2: Convert to fraction form
    74,798.44/111,939.47 = 111,939.47/x
  3. Step 3: Cross multiply
    74,798.44x = 111,939.47 × 111,939.47
  4. Step 4: Simplify right side
    74,798.44x = 12,530,444,664.03
  5. Step 5: Solve for x
    x = 12,530,444,664.03/74,798.44
  6. Step 6: Final answer
    x = 167,522.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.