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Finding the Third Proportional to 19,759 and 43,672

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Solution

The third proportional to 19,759 and 43,672 is: 96,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759 : 43,672 = 43,672 : x
  2. Step 2: Convert to fraction form
    19,759/43,672 = 43,672/x
  3. Step 3: Cross multiply
    19,759x = 43,672 × 43,672
  4. Step 4: Simplify right side
    19,759x = 1,907,243,584
  5. Step 5: Solve for x
    x = 1,907,243,584/19,759
  6. Step 6: Final answer
    x = 96,525.31

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.