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Finding the Third Proportional to 8,489,852.44 and 13,239,231.19

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Solution

The third proportional to 8,489,852.44 and 13,239,231.19 is: 20,645,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,852.44 : 13,239,231.19 = 13,239,231.19 : x
  2. Step 2: Convert to fraction form
    8,489,852.44/13,239,231.19 = 13,239,231.19/x
  3. Step 3: Cross multiply
    8,489,852.44x = 13,239,231.19 × 13,239,231.19
  4. Step 4: Simplify right side
    8,489,852.44x = 175,277,242,436,072.66
  5. Step 5: Solve for x
    x = 175,277,242,436,072.66/8,489,852.44
  6. Step 6: Final answer
    x = 20,645,499.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.