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Finding the Third Proportional to 41,186 and 90,391

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Solution

The third proportional to 41,186 and 90,391 is: 198,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,186 : 90,391 = 90,391 : x
  2. Step 2: Convert to fraction form
    41,186/90,391 = 90,391/x
  3. Step 3: Cross multiply
    41,186x = 90,391 × 90,391
  4. Step 4: Simplify right side
    41,186x = 8,170,532,881
  5. Step 5: Solve for x
    x = 8,170,532,881/41,186
  6. Step 6: Final answer
    x = 198,381.32

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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.