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Finding the Third Proportional to 19,146 and 39,606

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Solution

The third proportional to 19,146 and 39,606 is: 81,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146 : 39,606 = 39,606 : x
  2. Step 2: Convert to fraction form
    19,146/39,606 = 39,606/x
  3. Step 3: Cross multiply
    19,146x = 39,606 × 39,606
  4. Step 4: Simplify right side
    19,146x = 1,568,635,236
  5. Step 5: Solve for x
    x = 1,568,635,236/19,146
  6. Step 6: Final answer
    x = 81,930.18

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.