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Finding the Third Proportional to 8,357 and 17,261

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Solution

The third proportional to 8,357 and 17,261 is: 35,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357 : 17,261 = 17,261 : x
  2. Step 2: Convert to fraction form
    8,357/17,261 = 17,261/x
  3. Step 3: Cross multiply
    8,357x = 17,261 × 17,261
  4. Step 4: Simplify right side
    8,357x = 297,942,121
  5. Step 5: Solve for x
    x = 297,942,121/8,357
  6. Step 6: Final answer
    x = 35,651.80

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.