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Finding the Third Proportional to 7,692 and 15,858

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Solution

The third proportional to 7,692 and 15,858 is: 32,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692 : 15,858 = 15,858 : x
  2. Step 2: Convert to fraction form
    7,692/15,858 = 15,858/x
  3. Step 3: Cross multiply
    7,692x = 15,858 × 15,858
  4. Step 4: Simplify right side
    7,692x = 251,476,164
  5. Step 5: Solve for x
    x = 251,476,164/7,692
  6. Step 6: Final answer
    x = 32,693.21

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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.