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Finding the Third Proportional to 18,819 and 24,981.75

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Solution

The third proportional to 18,819 and 24,981.75 is: 33,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819 : 24,981.75 = 24,981.75 : x
  2. Step 2: Convert to fraction form
    18,819/24,981.75 = 24,981.75/x
  3. Step 3: Cross multiply
    18,819x = 24,981.75 × 24,981.75
  4. Step 4: Simplify right side
    18,819x = 624,087,833.06
  5. Step 5: Solve for x
    x = 624,087,833.06/18,819
  6. Step 6: Final answer
    x = 33,162.65

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.