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Finding the Third Proportional to 7,174.50 and 15,450

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Solution

The third proportional to 7,174.50 and 15,450 is: 33,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.50 : 15,450 = 15,450 : x
  2. Step 2: Convert to fraction form
    7,174.50/15,450 = 15,450/x
  3. Step 3: Cross multiply
    7,174.50x = 15,450 × 15,450
  4. Step 4: Simplify right side
    7,174.50x = 238,702,500
  5. Step 5: Solve for x
    x = 238,702,500/7,174.50
  6. Step 6: Final answer
    x = 33,270.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.