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Finding the Third Proportional to 3,898,975.50 and 8,694,443.81

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Solution

The third proportional to 3,898,975.50 and 8,694,443.81 is: 19,388,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,975.50 : 8,694,443.81 = 8,694,443.81 : x
  2. Step 2: Convert to fraction form
    3,898,975.50/8,694,443.81 = 8,694,443.81/x
  3. Step 3: Cross multiply
    3,898,975.50x = 8,694,443.81 × 8,694,443.81
  4. Step 4: Simplify right side
    3,898,975.50x = 75,593,353,208,719.53
  5. Step 5: Solve for x
    x = 75,593,353,208,719.53/3,898,975.50
  6. Step 6: Final answer
    x = 19,388,004.16

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.