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Finding the Third Proportional to 19,982.50 and 43,772

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Solution

The third proportional to 19,982.50 and 43,772 is: 95,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.50 : 43,772 = 43,772 : x
  2. Step 2: Convert to fraction form
    19,982.50/43,772 = 43,772/x
  3. Step 3: Cross multiply
    19,982.50x = 43,772 × 43,772
  4. Step 4: Simplify right side
    19,982.50x = 1,915,987,984
  5. Step 5: Solve for x
    x = 1,915,987,984/19,982.50
  6. Step 6: Final answer
    x = 95,883.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.