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Finding the Third Proportional to 7,022 and 15,170

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Solution

The third proportional to 7,022 and 15,170 is: 32,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022 : 15,170 = 15,170 : x
  2. Step 2: Convert to fraction form
    7,022/15,170 = 15,170/x
  3. Step 3: Cross multiply
    7,022x = 15,170 × 15,170
  4. Step 4: Simplify right side
    7,022x = 230,128,900
  5. Step 5: Solve for x
    x = 230,128,900/7,022
  6. Step 6: Final answer
    x = 32,772.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.