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Finding the Third Proportional to 55,037 and 120,622

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Solution

The third proportional to 55,037 and 120,622 is: 264,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037 : 120,622 = 120,622 : x
  2. Step 2: Convert to fraction form
    55,037/120,622 = 120,622/x
  3. Step 3: Cross multiply
    55,037x = 120,622 × 120,622
  4. Step 4: Simplify right side
    55,037x = 14,549,666,884
  5. Step 5: Solve for x
    x = 14,549,666,884/55,037
  6. Step 6: Final answer
    x = 264,361.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.