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Finding the Third Proportional to 54,376 and 80,556

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Solution

The third proportional to 54,376 and 80,556 is: 119,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376 : 80,556 = 80,556 : x
  2. Step 2: Convert to fraction form
    54,376/80,556 = 80,556/x
  3. Step 3: Cross multiply
    54,376x = 80,556 × 80,556
  4. Step 4: Simplify right side
    54,376x = 6,489,269,136
  5. Step 5: Solve for x
    x = 6,489,269,136/54,376
  6. Step 6: Final answer
    x = 119,340.69

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.