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Finding the Third Proportional to 13,238,831 and 28,568,686

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Solution

The third proportional to 13,238,831 and 28,568,686 is: 61,649,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,831 : 28,568,686 = 28,568,686 : x
  2. Step 2: Convert to fraction form
    13,238,831/28,568,686 = 28,568,686/x
  3. Step 3: Cross multiply
    13,238,831x = 28,568,686 × 28,568,686
  4. Step 4: Simplify right side
    13,238,831x = 816,169,819,766,596
  5. Step 5: Solve for x
    x = 816,169,819,766,596/13,238,831
  6. Step 6: Final answer
    x = 61,649,689.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.