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Finding the Third Proportional to 39,836 and 87,055

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Solution

The third proportional to 39,836 and 87,055 is: 190,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836 : 87,055 = 87,055 : x
  2. Step 2: Convert to fraction form
    39,836/87,055 = 87,055/x
  3. Step 3: Cross multiply
    39,836x = 87,055 × 87,055
  4. Step 4: Simplify right side
    39,836x = 7,578,573,025
  5. Step 5: Solve for x
    x = 7,578,573,025/39,836
  6. Step 6: Final answer
    x = 190,244.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.