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Finding the Third Proportional to 18,621 and 37,923.75

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Solution

The third proportional to 18,621 and 37,923.75 is: 77,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621 : 37,923.75 = 37,923.75 : x
  2. Step 2: Convert to fraction form
    18,621/37,923.75 = 37,923.75/x
  3. Step 3: Cross multiply
    18,621x = 37,923.75 × 37,923.75
  4. Step 4: Simplify right side
    18,621x = 1,438,210,814.06
  5. Step 5: Solve for x
    x = 1,438,210,814.06/18,621
  6. Step 6: Final answer
    x = 77,235.96

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.