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Finding the Third Proportional to 15,957 and 33,858

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Solution

The third proportional to 15,957 and 33,858 is: 71,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957 : 33,858 = 33,858 : x
  2. Step 2: Convert to fraction form
    15,957/33,858 = 33,858/x
  3. Step 3: Cross multiply
    15,957x = 33,858 × 33,858
  4. Step 4: Simplify right side
    15,957x = 1,146,364,164
  5. Step 5: Solve for x
    x = 1,146,364,164/15,957
  6. Step 6: Final answer
    x = 71,840.83

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.