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Finding the Third Proportional to 54,382 and 120,410

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Solution

The third proportional to 54,382 and 120,410 is: 266,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382 : 120,410 = 120,410 : x
  2. Step 2: Convert to fraction form
    54,382/120,410 = 120,410/x
  3. Step 3: Cross multiply
    54,382x = 120,410 × 120,410
  4. Step 4: Simplify right side
    54,382x = 14,498,568,100
  5. Step 5: Solve for x
    x = 14,498,568,100/54,382
  6. Step 6: Final answer
    x = 266,606.01

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.