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Finding the Third Proportional to 4,213,993.50 and 9,067,135.50

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Solution

The third proportional to 4,213,993.50 and 9,067,135.50 is: 19,509,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,993.50 : 9,067,135.50 = 9,067,135.50 : x
  2. Step 2: Convert to fraction form
    4,213,993.50/9,067,135.50 = 9,067,135.50/x
  3. Step 3: Cross multiply
    4,213,993.50x = 9,067,135.50 × 9,067,135.50
  4. Step 4: Simplify right side
    4,213,993.50x = 82,212,946,175,360.25
  5. Step 5: Solve for x
    x = 82,212,946,175,360.25/4,213,993.50
  6. Step 6: Final answer
    x = 19,509,509.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.