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Finding the Third Proportional to 188,378 and 282,571

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Solution

The third proportional to 188,378 and 282,571 is: 423,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,378 : 282,571 = 282,571 : x
  2. Step 2: Convert to fraction form
    188,378/282,571 = 282,571/x
  3. Step 3: Cross multiply
    188,378x = 282,571 × 282,571
  4. Step 4: Simplify right side
    188,378x = 79,846,370,041
  5. Step 5: Solve for x
    x = 79,846,370,041/188,378
  6. Step 6: Final answer
    x = 423,862.50

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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.