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Finding the Third Proportional to 16,889,989 and 36,171,530

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Solution

The third proportional to 16,889,989 and 36,171,530 is: 77,464,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889,989 : 36,171,530 = 36,171,530 : x
  2. Step 2: Convert to fraction form
    16,889,989/36,171,530 = 36,171,530/x
  3. Step 3: Cross multiply
    16,889,989x = 36,171,530 × 36,171,530
  4. Step 4: Simplify right side
    16,889,989x = 1,308,379,582,540,900
  5. Step 5: Solve for x
    x = 1,308,379,582,540,900/16,889,989
  6. Step 6: Final answer
    x = 77,464,797.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.