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Finding the Third Proportional to 54,556 and 82,036

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Solution

The third proportional to 54,556 and 82,036 is: 123,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556 : 82,036 = 82,036 : x
  2. Step 2: Convert to fraction form
    54,556/82,036 = 82,036/x
  3. Step 3: Cross multiply
    54,556x = 82,036 × 82,036
  4. Step 4: Simplify right side
    54,556x = 6,729,905,296
  5. Step 5: Solve for x
    x = 6,729,905,296/54,556
  6. Step 6: Final answer
    x = 123,357.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.