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Finding the Third Proportional to 55,818 and 120,381.75

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Solution

The third proportional to 55,818 and 120,381.75 is: 259,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818 : 120,381.75 = 120,381.75 : x
  2. Step 2: Convert to fraction form
    55,818/120,381.75 = 120,381.75/x
  3. Step 3: Cross multiply
    55,818x = 120,381.75 × 120,381.75
  4. Step 4: Simplify right side
    55,818x = 14,491,765,733.06
  5. Step 5: Solve for x
    x = 14,491,765,733.06/55,818
  6. Step 6: Final answer
    x = 259,625.31

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Why These Related Problems?

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