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Finding the Third Proportional to 8,218,962 and 13,089,525

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Solution

The third proportional to 8,218,962 and 13,089,525 is: 20,846,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,962 : 13,089,525 = 13,089,525 : x
  2. Step 2: Convert to fraction form
    8,218,962/13,089,525 = 13,089,525/x
  3. Step 3: Cross multiply
    8,218,962x = 13,089,525 × 13,089,525
  4. Step 4: Simplify right side
    8,218,962x = 171,335,664,725,625
  5. Step 5: Solve for x
    x = 171,335,664,725,625/8,218,962
  6. Step 6: Final answer
    x = 20,846,387.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.