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Finding the Third Proportional to 8,218,945 and 13,089,494

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Solution

The third proportional to 8,218,945 and 13,089,494 is: 20,846,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,945 : 13,089,494 = 13,089,494 : x
  2. Step 2: Convert to fraction form
    8,218,945/13,089,494 = 13,089,494/x
  3. Step 3: Cross multiply
    8,218,945x = 13,089,494 × 13,089,494
  4. Step 4: Simplify right side
    8,218,945x = 171,334,853,176,036
  5. Step 5: Solve for x
    x = 171,334,853,176,036/8,218,945
  6. Step 6: Final answer
    x = 20,846,331.64

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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.