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Finding the Third Proportional to 35,979 and 54,471

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Solution

The third proportional to 35,979 and 54,471 is: 82,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979 : 54,471 = 54,471 : x
  2. Step 2: Convert to fraction form
    35,979/54,471 = 54,471/x
  3. Step 3: Cross multiply
    35,979x = 54,471 × 54,471
  4. Step 4: Simplify right side
    35,979x = 2,967,089,841
  5. Step 5: Solve for x
    x = 2,967,089,841/35,979
  6. Step 6: Final answer
    x = 82,467.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.