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Finding the Third Proportional to 7,611 and 15,693

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Solution

The third proportional to 7,611 and 15,693 is: 32,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611 : 15,693 = 15,693 : x
  2. Step 2: Convert to fraction form
    7,611/15,693 = 15,693/x
  3. Step 3: Cross multiply
    7,611x = 15,693 × 15,693
  4. Step 4: Simplify right side
    7,611x = 246,270,249
  5. Step 5: Solve for x
    x = 246,270,249/7,611
  6. Step 6: Final answer
    x = 32,357.15

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.