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Finding the Third Proportional to 7,990 and 17,410

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Solution

The third proportional to 7,990 and 17,410 is: 37,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990 : 17,410 = 17,410 : x
  2. Step 2: Convert to fraction form
    7,990/17,410 = 17,410/x
  3. Step 3: Cross multiply
    7,990x = 17,410 × 17,410
  4. Step 4: Simplify right side
    7,990x = 303,108,100
  5. Step 5: Solve for x
    x = 303,108,100/7,990
  6. Step 6: Final answer
    x = 37,935.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.