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Finding the Third Proportional to 73,845 and 161,223.75

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Solution

The third proportional to 73,845 and 161,223.75 is: 351,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,845 : 161,223.75 = 161,223.75 : x
  2. Step 2: Convert to fraction form
    73,845/161,223.75 = 161,223.75/x
  3. Step 3: Cross multiply
    73,845x = 161,223.75 × 161,223.75
  4. Step 4: Simplify right side
    73,845x = 25,993,097,564.06
  5. Step 5: Solve for x
    x = 25,993,097,564.06/73,845
  6. Step 6: Final answer
    x = 351,995.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.