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Finding the Third Proportional to 188,207 and 391,902

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Solution

The third proportional to 188,207 and 391,902 is: 816,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,207 : 391,902 = 391,902 : x
  2. Step 2: Convert to fraction form
    188,207/391,902 = 391,902/x
  3. Step 3: Cross multiply
    188,207x = 391,902 × 391,902
  4. Step 4: Simplify right side
    188,207x = 153,587,177,604
  5. Step 5: Solve for x
    x = 153,587,177,604/188,207
  6. Step 6: Final answer
    x = 816,054.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.