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Finding the Third Proportional to 18,384,542 and 40,416,027

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Solution

The third proportional to 18,384,542 and 40,416,027 is: 88,849,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,542 : 40,416,027 = 40,416,027 : x
  2. Step 2: Convert to fraction form
    18,384,542/40,416,027 = 40,416,027/x
  3. Step 3: Cross multiply
    18,384,542x = 40,416,027 × 40,416,027
  4. Step 4: Simplify right side
    18,384,542x = 1,633,455,238,464,729
  5. Step 5: Solve for x
    x = 1,633,455,238,464,729/18,384,542
  6. Step 6: Final answer
    x = 88,849,384.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.