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Finding the Third Proportional to 178,519,713 and 275,858,469

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Solution

The third proportional to 178,519,713 and 275,858,469 is: 426,271,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,519,713 : 275,858,469 = 275,858,469 : x
  2. Step 2: Convert to fraction form
    178,519,713/275,858,469 = 275,858,469/x
  3. Step 3: Cross multiply
    178,519,713x = 275,858,469 × 275,858,469
  4. Step 4: Simplify right side
    178,519,713x = 76,097,894,919,023,968
  5. Step 5: Solve for x
    x = 76,097,894,919,023,968/178,519,713
  6. Step 6: Final answer
    x = 426,271,662.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.