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Finding the Third Proportional to 16,978,936 and 36,646,724

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Solution

The third proportional to 16,978,936 and 36,646,724 is: 79,096,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,978,936 : 36,646,724 = 36,646,724 : x
  2. Step 2: Convert to fraction form
    16,978,936/36,646,724 = 36,646,724/x
  3. Step 3: Cross multiply
    16,978,936x = 36,646,724 × 36,646,724
  4. Step 4: Simplify right side
    16,978,936x = 1,342,982,379,932,176
  5. Step 5: Solve for x
    x = 1,342,982,379,932,176/16,978,936
  6. Step 6: Final answer
    x = 79,096,969.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.