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Finding the Third Proportional to 41,859 and 91,091

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Solution

The third proportional to 41,859 and 91,091 is: 198,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,859 : 91,091 = 91,091 : x
  2. Step 2: Convert to fraction form
    41,859/91,091 = 91,091/x
  3. Step 3: Cross multiply
    41,859x = 91,091 × 91,091
  4. Step 4: Simplify right side
    41,859x = 8,297,570,281
  5. Step 5: Solve for x
    x = 8,297,570,281/41,859
  6. Step 6: Final answer
    x = 198,226.67

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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.