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Finding the Third Proportional to 38,888 and 50,556

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Solution

The third proportional to 38,888 and 50,556 is: 65,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888 : 50,556 = 50,556 : x
  2. Step 2: Convert to fraction form
    38,888/50,556 = 50,556/x
  3. Step 3: Cross multiply
    38,888x = 50,556 × 50,556
  4. Step 4: Simplify right side
    38,888x = 2,555,909,136
  5. Step 5: Solve for x
    x = 2,555,909,136/38,888
  6. Step 6: Final answer
    x = 65,724.88

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.