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Finding the Third Proportional to 70,904,766 and 154,232,778

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Solution

The third proportional to 70,904,766 and 154,232,778 is: 335,488,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904,766 : 154,232,778 = 154,232,778 : x
  2. Step 2: Convert to fraction form
    70,904,766/154,232,778 = 154,232,778/x
  3. Step 3: Cross multiply
    70,904,766x = 154,232,778 × 154,232,778
  4. Step 4: Simplify right side
    70,904,766x = 23,787,749,809,597,284
  5. Step 5: Solve for x
    x = 23,787,749,809,597,284/70,904,766
  6. Step 6: Final answer
    x = 335,488,728.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.