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Finding the Third Proportional to 55,856 and 120,458

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Solution

The third proportional to 55,856 and 120,458 is: 259,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856 : 120,458 = 120,458 : x
  2. Step 2: Convert to fraction form
    55,856/120,458 = 120,458/x
  3. Step 3: Cross multiply
    55,856x = 120,458 × 120,458
  4. Step 4: Simplify right side
    55,856x = 14,510,129,764
  5. Step 5: Solve for x
    x = 14,510,129,764/55,856
  6. Step 6: Final answer
    x = 259,777.46

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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.