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Finding the Third Proportional to 37,714 and 81,989

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Solution

The third proportional to 37,714 and 81,989 is: 178,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,714 : 81,989 = 81,989 : x
  2. Step 2: Convert to fraction form
    37,714/81,989 = 81,989/x
  3. Step 3: Cross multiply
    37,714x = 81,989 × 81,989
  4. Step 4: Simplify right side
    37,714x = 6,722,196,121
  5. Step 5: Solve for x
    x = 6,722,196,121/37,714
  6. Step 6: Final answer
    x = 178,241.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.