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Finding the Third Proportional to 18,914 and 41,143

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Solution

The third proportional to 18,914 and 41,143 is: 89,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914 : 41,143 = 41,143 : x
  2. Step 2: Convert to fraction form
    18,914/41,143 = 41,143/x
  3. Step 3: Cross multiply
    18,914x = 41,143 × 41,143
  4. Step 4: Simplify right side
    18,914x = 1,692,746,449
  5. Step 5: Solve for x
    x = 1,692,746,449/18,914
  6. Step 6: Final answer
    x = 89,497.01

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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.