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Finding the Third Proportional to 74,592,340 and 156,915,212

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Solution

The third proportional to 74,592,340 and 156,915,212 is: 330,092,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592,340 : 156,915,212 = 156,915,212 : x
  2. Step 2: Convert to fraction form
    74,592,340/156,915,212 = 156,915,212/x
  3. Step 3: Cross multiply
    74,592,340x = 156,915,212 × 156,915,212
  4. Step 4: Simplify right side
    74,592,340x = 24,622,383,757,004,944
  5. Step 5: Solve for x
    x = 24,622,383,757,004,944/74,592,340
  6. Step 6: Final answer
    x = 330,092,657.73

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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.