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Finding the Third Proportional to 6,611 and 9,091

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Solution

The third proportional to 6,611 and 9,091 is: 12,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611 : 9,091 = 9,091 : x
  2. Step 2: Convert to fraction form
    6,611/9,091 = 9,091/x
  3. Step 3: Cross multiply
    6,611x = 9,091 × 9,091
  4. Step 4: Simplify right side
    6,611x = 82,646,281
  5. Step 5: Solve for x
    x = 82,646,281/6,611
  6. Step 6: Final answer
    x = 12,501.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.