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Finding the Third Proportional to 6,619 and 9,904

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Solution

The third proportional to 6,619 and 9,904 is: 14,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619 : 9,904 = 9,904 : x
  2. Step 2: Convert to fraction form
    6,619/9,904 = 9,904/x
  3. Step 3: Cross multiply
    6,619x = 9,904 × 9,904
  4. Step 4: Simplify right side
    6,619x = 98,089,216
  5. Step 5: Solve for x
    x = 98,089,216/6,619
  6. Step 6: Final answer
    x = 14,819.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.