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Finding the Third Proportional to 79,597,170 and 168,759,972

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Solution

The third proportional to 79,597,170 and 168,759,972 is: 357,800,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,597,170 : 168,759,972 = 168,759,972 : x
  2. Step 2: Convert to fraction form
    79,597,170/168,759,972 = 168,759,972/x
  3. Step 3: Cross multiply
    79,597,170x = 168,759,972 × 168,759,972
  4. Step 4: Simplify right side
    79,597,170x = 28,479,928,149,440,784
  5. Step 5: Solve for x
    x = 28,479,928,149,440,784/79,597,170
  6. Step 6: Final answer
    x = 357,800,762.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.