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Finding the Third Proportional to 3,953,815.50 and 8,632,621

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Solution

The third proportional to 3,953,815.50 and 8,632,621 is: 18,848,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,815.50 : 8,632,621 = 8,632,621 : x
  2. Step 2: Convert to fraction form
    3,953,815.50/8,632,621 = 8,632,621/x
  3. Step 3: Cross multiply
    3,953,815.50x = 8,632,621 × 8,632,621
  4. Step 4: Simplify right side
    3,953,815.50x = 74,522,145,329,641
  5. Step 5: Solve for x
    x = 74,522,145,329,641/3,953,815.50
  6. Step 6: Final answer
    x = 18,848,159.54

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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.