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Finding the Third Proportional to 40,874 and 54,927

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Solution

The third proportional to 40,874 and 54,927 is: 73,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874 : 54,927 = 54,927 : x
  2. Step 2: Convert to fraction form
    40,874/54,927 = 54,927/x
  3. Step 3: Cross multiply
    40,874x = 54,927 × 54,927
  4. Step 4: Simplify right side
    40,874x = 3,016,975,329
  5. Step 5: Solve for x
    x = 3,016,975,329/40,874
  6. Step 6: Final answer
    x = 73,811.60

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.