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Finding the Third Proportional to 7,634 and 18,104

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Solution

The third proportional to 7,634 and 18,104 is: 42,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634 : 18,104 = 18,104 : x
  2. Step 2: Convert to fraction form
    7,634/18,104 = 18,104/x
  3. Step 3: Cross multiply
    7,634x = 18,104 × 18,104
  4. Step 4: Simplify right side
    7,634x = 327,754,816
  5. Step 5: Solve for x
    x = 327,754,816/7,634
  6. Step 6: Final answer
    x = 42,933.56

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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.