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Finding the Third Proportional to 6,608 and 7,985

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Solution

The third proportional to 6,608 and 7,985 is: 9,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608 : 7,985 = 7,985 : x
  2. Step 2: Convert to fraction form
    6,608/7,985 = 7,985/x
  3. Step 3: Cross multiply
    6,608x = 7,985 × 7,985
  4. Step 4: Simplify right side
    6,608x = 63,760,225
  5. Step 5: Solve for x
    x = 63,760,225/6,608
  6. Step 6: Final answer
    x = 9,648.94

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.