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Finding the Third Proportional to 18,695 and 43,871

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Solution

The third proportional to 18,695 and 43,871 is: 102,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695 : 43,871 = 43,871 : x
  2. Step 2: Convert to fraction form
    18,695/43,871 = 43,871/x
  3. Step 3: Cross multiply
    18,695x = 43,871 × 43,871
  4. Step 4: Simplify right side
    18,695x = 1,924,664,641
  5. Step 5: Solve for x
    x = 1,924,664,641/18,695
  6. Step 6: Final answer
    x = 102,950.77

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.