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Finding the Third Proportional to 4,036 and 8,330

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Solution

The third proportional to 4,036 and 8,330 is: 17,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,036 : 8,330 = 8,330 : x
  2. Step 2: Convert to fraction form
    4,036/8,330 = 8,330/x
  3. Step 3: Cross multiply
    4,036x = 8,330 × 8,330
  4. Step 4: Simplify right side
    4,036x = 69,388,900
  5. Step 5: Solve for x
    x = 69,388,900/4,036
  6. Step 6: Final answer
    x = 17,192.49

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.