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Finding the Third Proportional to 41,187 and 90,394

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Solution

The third proportional to 41,187 and 90,394 is: 198,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187 : 90,394 = 90,394 : x
  2. Step 2: Convert to fraction form
    41,187/90,394 = 90,394/x
  3. Step 3: Cross multiply
    41,187x = 90,394 × 90,394
  4. Step 4: Simplify right side
    41,187x = 8,171,075,236
  5. Step 5: Solve for x
    x = 8,171,075,236/41,187
  6. Step 6: Final answer
    x = 198,389.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.