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Finding the Third Proportional to 12,071.25 and 18,873

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Solution

The third proportional to 12,071.25 and 18,873 is: 29,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.25 : 18,873 = 18,873 : x
  2. Step 2: Convert to fraction form
    12,071.25/18,873 = 18,873/x
  3. Step 3: Cross multiply
    12,071.25x = 18,873 × 18,873
  4. Step 4: Simplify right side
    12,071.25x = 356,190,129
  5. Step 5: Solve for x
    x = 356,190,129/12,071.25
  6. Step 6: Final answer
    x = 29,507.31

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.