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Finding the Third Proportional to 54,486 and 82,544

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Solution

The third proportional to 54,486 and 82,544 is: 125,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,486 : 82,544 = 82,544 : x
  2. Step 2: Convert to fraction form
    54,486/82,544 = 82,544/x
  3. Step 3: Cross multiply
    54,486x = 82,544 × 82,544
  4. Step 4: Simplify right side
    54,486x = 6,813,511,936
  5. Step 5: Solve for x
    x = 6,813,511,936/54,486
  6. Step 6: Final answer
    x = 125,050.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.