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Finding the Third Proportional to 18,791 and 44,438

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Solution

The third proportional to 18,791 and 44,438 is: 105,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791 : 44,438 = 44,438 : x
  2. Step 2: Convert to fraction form
    18,791/44,438 = 44,438/x
  3. Step 3: Cross multiply
    18,791x = 44,438 × 44,438
  4. Step 4: Simplify right side
    18,791x = 1,974,735,844
  5. Step 5: Solve for x
    x = 1,974,735,844/18,791
  6. Step 6: Final answer
    x = 105,089.45

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.