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Finding the Third Proportional to 40,192 and 90,268

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Solution

The third proportional to 40,192 and 90,268 is: 202,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192 : 90,268 = 90,268 : x
  2. Step 2: Convert to fraction form
    40,192/90,268 = 90,268/x
  3. Step 3: Cross multiply
    40,192x = 90,268 × 90,268
  4. Step 4: Simplify right side
    40,192x = 8,148,311,824
  5. Step 5: Solve for x
    x = 8,148,311,824/40,192
  6. Step 6: Final answer
    x = 202,734.67

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.