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Finding the Third Proportional to 3,939,152.44 and 8,568,485.63

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Solution

The third proportional to 3,939,152.44 and 8,568,485.63 is: 18,638,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,152.44 : 8,568,485.63 = 8,568,485.63 : x
  2. Step 2: Convert to fraction form
    3,939,152.44/8,568,485.63 = 8,568,485.63/x
  3. Step 3: Cross multiply
    3,939,152.44x = 8,568,485.63 × 8,568,485.63
  4. Step 4: Simplify right side
    3,939,152.44x = 73,418,945,905,831.64
  5. Step 5: Solve for x
    x = 73,418,945,905,831.64/3,939,152.44
  6. Step 6: Final answer
    x = 18,638,259.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.