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Finding the Third Proportional to 48,978 and 105,975

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Solution

The third proportional to 48,978 and 105,975 is: 229,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,978 : 105,975 = 105,975 : x
  2. Step 2: Convert to fraction form
    48,978/105,975 = 105,975/x
  3. Step 3: Cross multiply
    48,978x = 105,975 × 105,975
  4. Step 4: Simplify right side
    48,978x = 11,230,700,625
  5. Step 5: Solve for x
    x = 11,230,700,625/48,978
  6. Step 6: Final answer
    x = 229,300.92

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.