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Finding the Third Proportional to 18,612 and 37,764

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Solution

The third proportional to 18,612 and 37,764 is: 76,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612 : 37,764 = 37,764 : x
  2. Step 2: Convert to fraction form
    18,612/37,764 = 37,764/x
  3. Step 3: Cross multiply
    18,612x = 37,764 × 37,764
  4. Step 4: Simplify right side
    18,612x = 1,426,119,696
  5. Step 5: Solve for x
    x = 1,426,119,696/18,612
  6. Step 6: Final answer
    x = 76,623.67

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.