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Finding the Third Proportional to 18,936 and 41,088

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Solution

The third proportional to 18,936 and 41,088 is: 89,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936 : 41,088 = 41,088 : x
  2. Step 2: Convert to fraction form
    18,936/41,088 = 41,088/x
  3. Step 3: Cross multiply
    18,936x = 41,088 × 41,088
  4. Step 4: Simplify right side
    18,936x = 1,688,223,744
  5. Step 5: Solve for x
    x = 1,688,223,744/18,936
  6. Step 6: Final answer
    x = 89,154.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.