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Finding the Third Proportional to 19,986 and 43,494

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Solution

The third proportional to 19,986 and 43,494 is: 94,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986 : 43,494 = 43,494 : x
  2. Step 2: Convert to fraction form
    19,986/43,494 = 43,494/x
  3. Step 3: Cross multiply
    19,986x = 43,494 × 43,494
  4. Step 4: Simplify right side
    19,986x = 1,891,728,036
  5. Step 5: Solve for x
    x = 1,891,728,036/19,986
  6. Step 6: Final answer
    x = 94,652.66

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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.