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Finding the Third Proportional to 18,894 and 41,100

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Solution

The third proportional to 18,894 and 41,100 is: 89,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894 : 41,100 = 41,100 : x
  2. Step 2: Convert to fraction form
    18,894/41,100 = 41,100/x
  3. Step 3: Cross multiply
    18,894x = 41,100 × 41,100
  4. Step 4: Simplify right side
    18,894x = 1,689,210,000
  5. Step 5: Solve for x
    x = 1,689,210,000/18,894
  6. Step 6: Final answer
    x = 89,404.57

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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.