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Finding the Third Proportional to 74,595,081 and 156,920,189

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Solution

The third proportional to 74,595,081 and 156,920,189 is: 330,101,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595,081 : 156,920,189 = 156,920,189 : x
  2. Step 2: Convert to fraction form
    74,595,081/156,920,189 = 156,920,189/x
  3. Step 3: Cross multiply
    74,595,081x = 156,920,189 × 156,920,189
  4. Step 4: Simplify right side
    74,595,081x = 24,623,945,715,795,720
  5. Step 5: Solve for x
    x = 24,623,945,715,795,720/74,595,081
  6. Step 6: Final answer
    x = 330,101,467.63

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.