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Finding the Third Proportional to 70,905,544 and 154,234,274

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Solution

The third proportional to 70,905,544 and 154,234,274 is: 335,491,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905,544 : 154,234,274 = 154,234,274 : x
  2. Step 2: Convert to fraction form
    70,905,544/154,234,274 = 154,234,274/x
  3. Step 3: Cross multiply
    70,905,544x = 154,234,274 × 154,234,274
  4. Step 4: Simplify right side
    70,905,544x = 23,788,211,276,307,076
  5. Step 5: Solve for x
    x = 23,788,211,276,307,076/70,905,544
  6. Step 6: Final answer
    x = 335,491,555.87

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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.