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Finding the Third Proportional to 19,696 and 40,148

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Solution

The third proportional to 19,696 and 40,148 is: 81,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696 : 40,148 = 40,148 : x
  2. Step 2: Convert to fraction form
    19,696/40,148 = 40,148/x
  3. Step 3: Cross multiply
    19,696x = 40,148 × 40,148
  4. Step 4: Simplify right side
    19,696x = 1,611,861,904
  5. Step 5: Solve for x
    x = 1,611,861,904/19,696
  6. Step 6: Final answer
    x = 81,837.02

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.