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Finding the Third Proportional to 7,608 and 17,772

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Solution

The third proportional to 7,608 and 17,772 is: 41,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608 : 17,772 = 17,772 : x
  2. Step 2: Convert to fraction form
    7,608/17,772 = 17,772/x
  3. Step 3: Cross multiply
    7,608x = 17,772 × 17,772
  4. Step 4: Simplify right side
    7,608x = 315,843,984
  5. Step 5: Solve for x
    x = 315,843,984/7,608
  6. Step 6: Final answer
    x = 41,514.72

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.