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Finding the Third Proportional to 7,947 and 16,949.25

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Solution

The third proportional to 7,947 and 16,949.25 is: 36,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947 : 16,949.25 = 16,949.25 : x
  2. Step 2: Convert to fraction form
    7,947/16,949.25 = 16,949.25/x
  3. Step 3: Cross multiply
    7,947x = 16,949.25 × 16,949.25
  4. Step 4: Simplify right side
    7,947x = 287,277,075.56
  5. Step 5: Solve for x
    x = 287,277,075.56/7,947
  6. Step 6: Final answer
    x = 36,149.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.