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Finding the Third Proportional to 48,958 and 73,989

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Solution

The third proportional to 48,958 and 73,989 is: 111,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,958 : 73,989 = 73,989 : x
  2. Step 2: Convert to fraction form
    48,958/73,989 = 73,989/x
  3. Step 3: Cross multiply
    48,958x = 73,989 × 73,989
  4. Step 4: Simplify right side
    48,958x = 5,474,372,121
  5. Step 5: Solve for x
    x = 5,474,372,121/48,958
  6. Step 6: Final answer
    x = 111,817.72

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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.