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Finding the Third Proportional to 70,422,056 and 149,322,544

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Solution

The third proportional to 70,422,056 and 149,322,544 is: 316,622,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422,056 : 149,322,544 = 149,322,544 : x
  2. Step 2: Convert to fraction form
    70,422,056/149,322,544 = 149,322,544/x
  3. Step 3: Cross multiply
    70,422,056x = 149,322,544 × 149,322,544
  4. Step 4: Simplify right side
    70,422,056x = 22,297,222,146,631,936
  5. Step 5: Solve for x
    x = 22,297,222,146,631,936/70,422,056
  6. Step 6: Final answer
    x = 316,622,709.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.