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Finding the Third Proportional to 167,859,828 and 361,228,820

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Solution

The third proportional to 167,859,828 and 361,228,820 is: 777,352,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,859,828 : 361,228,820 = 361,228,820 : x
  2. Step 2: Convert to fraction form
    167,859,828/361,228,820 = 361,228,820/x
  3. Step 3: Cross multiply
    167,859,828x = 361,228,820 × 361,228,820
  4. Step 4: Simplify right side
    167,859,828x = 130,486,260,398,592,400
  5. Step 5: Solve for x
    x = 130,486,260,398,592,400/167,859,828
  6. Step 6: Final answer
    x = 777,352,520.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.