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Finding the Third Proportional to 43,087 and 90,098

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Solution

The third proportional to 43,087 and 90,098 is: 188,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087 : 90,098 = 90,098 : x
  2. Step 2: Convert to fraction form
    43,087/90,098 = 90,098/x
  3. Step 3: Cross multiply
    43,087x = 90,098 × 90,098
  4. Step 4: Simplify right side
    43,087x = 8,117,649,604
  5. Step 5: Solve for x
    x = 8,117,649,604/43,087
  6. Step 6: Final answer
    x = 188,401.36

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.