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Finding the Third Proportional to 39,556,192 and 82,144,052

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Solution

The third proportional to 39,556,192 and 82,144,052 is: 170,583,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556,192 : 82,144,052 = 82,144,052 : x
  2. Step 2: Convert to fraction form
    39,556,192/82,144,052 = 82,144,052/x
  3. Step 3: Cross multiply
    39,556,192x = 82,144,052 × 82,144,052
  4. Step 4: Simplify right side
    39,556,192x = 6,747,645,278,978,704
  5. Step 5: Solve for x
    x = 6,747,645,278,978,704/39,556,192
  6. Step 6: Final answer
    x = 170,583,793.28

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.