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Finding the Third Proportional to 18,736 and 39,563

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Solution

The third proportional to 18,736 and 39,563 is: 83,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736 : 39,563 = 39,563 : x
  2. Step 2: Convert to fraction form
    18,736/39,563 = 39,563/x
  3. Step 3: Cross multiply
    18,736x = 39,563 × 39,563
  4. Step 4: Simplify right side
    18,736x = 1,565,230,969
  5. Step 5: Solve for x
    x = 1,565,230,969/18,736
  6. Step 6: Final answer
    x = 83,541.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.