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Finding the Third Proportional to 79,380,834 and 170,923,290

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Solution

The third proportional to 79,380,834 and 170,923,290 is: 368,033,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,380,834 : 170,923,290 = 170,923,290 : x
  2. Step 2: Convert to fraction form
    79,380,834/170,923,290 = 170,923,290/x
  3. Step 3: Cross multiply
    79,380,834x = 170,923,290 × 170,923,290
  4. Step 4: Simplify right side
    79,380,834x = 29,214,771,064,424,100
  5. Step 5: Solve for x
    x = 29,214,771,064,424,100/79,380,834
  6. Step 6: Final answer
    x = 368,033,057.76

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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.