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Finding the Third Proportional to 74,819.25 and 162,099

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Solution

The third proportional to 74,819.25 and 162,099 is: 351,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.25 : 162,099 = 162,099 : x
  2. Step 2: Convert to fraction form
    74,819.25/162,099 = 162,099/x
  3. Step 3: Cross multiply
    74,819.25x = 162,099 × 162,099
  4. Step 4: Simplify right side
    74,819.25x = 26,276,085,801
  5. Step 5: Solve for x
    x = 26,276,085,801/74,819.25
  6. Step 6: Final answer
    x = 351,194.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.