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Finding the Third Proportional to 8,201,858.50 and 18,987,961.50

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Solution

The third proportional to 8,201,858.50 and 18,987,961.50 is: 43,958,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,858.50 : 18,987,961.50 = 18,987,961.50 : x
  2. Step 2: Convert to fraction form
    8,201,858.50/18,987,961.50 = 18,987,961.50/x
  3. Step 3: Cross multiply
    8,201,858.50x = 18,987,961.50 × 18,987,961.50
  4. Step 4: Simplify right side
    8,201,858.50x = 360,542,681,925,482.25
  5. Step 5: Solve for x
    x = 360,542,681,925,482.25/8,201,858.50
  6. Step 6: Final answer
    x = 43,958,656.68

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.