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Finding the Third Proportional to 18,913.50 and 44,790

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Solution

The third proportional to 18,913.50 and 44,790 is: 106,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.50 : 44,790 = 44,790 : x
  2. Step 2: Convert to fraction form
    18,913.50/44,790 = 44,790/x
  3. Step 3: Cross multiply
    18,913.50x = 44,790 × 44,790
  4. Step 4: Simplify right side
    18,913.50x = 2,006,144,100
  5. Step 5: Solve for x
    x = 2,006,144,100/18,913.50
  6. Step 6: Final answer
    x = 106,069.43

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.