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Finding the Third Proportional to 55,874 and 120,460

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Solution

The third proportional to 55,874 and 120,460 is: 259,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874 : 120,460 = 120,460 : x
  2. Step 2: Convert to fraction form
    55,874/120,460 = 120,460/x
  3. Step 3: Cross multiply
    55,874x = 120,460 × 120,460
  4. Step 4: Simplify right side
    55,874x = 14,510,611,600
  5. Step 5: Solve for x
    x = 14,510,611,600/55,874
  6. Step 6: Final answer
    x = 259,702.39

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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.