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Finding the Third Proportional to 18,956.25 and 41,276.25

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Solution

The third proportional to 18,956.25 and 41,276.25 is: 89,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.25 : 41,276.25 = 41,276.25 : x
  2. Step 2: Convert to fraction form
    18,956.25/41,276.25 = 41,276.25/x
  3. Step 3: Cross multiply
    18,956.25x = 41,276.25 × 41,276.25
  4. Step 4: Simplify right side
    18,956.25x = 1,703,728,814.06
  5. Step 5: Solve for x
    x = 1,703,728,814.06/18,956.25
  6. Step 6: Final answer
    x = 89,876.89

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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.