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Finding the Third Proportional to 7,622 and 15,550

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Solution

The third proportional to 7,622 and 15,550 is: 31,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622 : 15,550 = 15,550 : x
  2. Step 2: Convert to fraction form
    7,622/15,550 = 15,550/x
  3. Step 3: Cross multiply
    7,622x = 15,550 × 15,550
  4. Step 4: Simplify right side
    7,622x = 241,802,500
  5. Step 5: Solve for x
    x = 241,802,500/7,622
  6. Step 6: Final answer
    x = 31,724.28

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.