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Finding the Third Proportional to 74,171 and 117,926

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Solution

The third proportional to 74,171 and 117,926 is: 187,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,171 : 117,926 = 117,926 : x
  2. Step 2: Convert to fraction form
    74,171/117,926 = 117,926/x
  3. Step 3: Cross multiply
    74,171x = 117,926 × 117,926
  4. Step 4: Simplify right side
    74,171x = 13,906,541,476
  5. Step 5: Solve for x
    x = 13,906,541,476/74,171
  6. Step 6: Final answer
    x = 187,492.98

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.