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Finding the Third Proportional to 45,893 and 67,989

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Solution

The third proportional to 45,893 and 67,989 is: 100,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,893 : 67,989 = 67,989 : x
  2. Step 2: Convert to fraction form
    45,893/67,989 = 67,989/x
  3. Step 3: Cross multiply
    45,893x = 67,989 × 67,989
  4. Step 4: Simplify right side
    45,893x = 4,622,504,121
  5. Step 5: Solve for x
    x = 4,622,504,121/45,893
  6. Step 6: Final answer
    x = 100,723.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.