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Finding the Third Proportional to 7,280 and 17,176

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Solution

The third proportional to 7,280 and 17,176 is: 40,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280 : 17,176 = 17,176 : x
  2. Step 2: Convert to fraction form
    7,280/17,176 = 17,176/x
  3. Step 3: Cross multiply
    7,280x = 17,176 × 17,176
  4. Step 4: Simplify right side
    7,280x = 295,014,976
  5. Step 5: Solve for x
    x = 295,014,976/7,280
  6. Step 6: Final answer
    x = 40,524.04

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.