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Finding the Third Proportional to 55,878 and 120,504

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Solution

The third proportional to 55,878 and 120,504 is: 259,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,878 : 120,504 = 120,504 : x
  2. Step 2: Convert to fraction form
    55,878/120,504 = 120,504/x
  3. Step 3: Cross multiply
    55,878x = 120,504 × 120,504
  4. Step 4: Simplify right side
    55,878x = 14,521,214,016
  5. Step 5: Solve for x
    x = 14,521,214,016/55,878
  6. Step 6: Final answer
    x = 259,873.55

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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.