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Finding the Third Proportional to 7,668 and 18,501.75

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Solution

The third proportional to 7,668 and 18,501.75 is: 44,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668 : 18,501.75 = 18,501.75 : x
  2. Step 2: Convert to fraction form
    7,668/18,501.75 = 18,501.75/x
  3. Step 3: Cross multiply
    7,668x = 18,501.75 × 18,501.75
  4. Step 4: Simplify right side
    7,668x = 342,314,753.06
  5. Step 5: Solve for x
    x = 342,314,753.06/7,668
  6. Step 6: Final answer
    x = 44,641.99

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.