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Finding the Third Proportional to 3,939,152.06 and 8,568,484.88

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Solution

The third proportional to 3,939,152.06 and 8,568,484.88 is: 18,638,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,152.06 : 8,568,484.88 = 8,568,484.88 : x
  2. Step 2: Convert to fraction form
    3,939,152.06/8,568,484.88 = 8,568,484.88/x
  3. Step 3: Cross multiply
    3,939,152.06x = 8,568,484.88 × 8,568,484.88
  4. Step 4: Simplify right side
    3,939,152.06x = 73,418,933,053,103.77
  5. Step 5: Solve for x
    x = 73,418,933,053,103.77/3,939,152.06
  6. Step 6: Final answer
    x = 18,638,258.16

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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.