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Finding the Third Proportional to 79,992,578 and 171,321,700

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Solution

The third proportional to 79,992,578 and 171,321,700 is: 366,923,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992,578 : 171,321,700 = 171,321,700 : x
  2. Step 2: Convert to fraction form
    79,992,578/171,321,700 = 171,321,700/x
  3. Step 3: Cross multiply
    79,992,578x = 171,321,700 × 171,321,700
  4. Step 4: Simplify right side
    79,992,578x = 29,351,124,890,890,000
  5. Step 5: Solve for x
    x = 29,351,124,890,890,000/79,992,578
  6. Step 6: Final answer
    x = 366,923,102.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.