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Finding the Third Proportional to 3,276,736 and 5,129,128

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Solution

The third proportional to 3,276,736 and 5,129,128 is: 8,028,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,736 : 5,129,128 = 5,129,128 : x
  2. Step 2: Convert to fraction form
    3,276,736/5,129,128 = 5,129,128/x
  3. Step 3: Cross multiply
    3,276,736x = 5,129,128 × 5,129,128
  4. Step 4: Simplify right side
    3,276,736x = 26,307,954,040,384
  5. Step 5: Solve for x
    x = 26,307,954,040,384/3,276,736
  6. Step 6: Final answer
    x = 8,028,707.24

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.