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Finding the Third Proportional to 19,808 and 43,171

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Solution

The third proportional to 19,808 and 43,171 is: 94,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808 : 43,171 = 43,171 : x
  2. Step 2: Convert to fraction form
    19,808/43,171 = 43,171/x
  3. Step 3: Cross multiply
    19,808x = 43,171 × 43,171
  4. Step 4: Simplify right side
    19,808x = 1,863,735,241
  5. Step 5: Solve for x
    x = 1,863,735,241/19,808
  6. Step 6: Final answer
    x = 94,090.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.