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Finding the Third Proportional to 228,162 and 354,687

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Solution

The third proportional to 228,162 and 354,687 is: 551,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,162 : 354,687 = 354,687 : x
  2. Step 2: Convert to fraction form
    228,162/354,687 = 354,687/x
  3. Step 3: Cross multiply
    228,162x = 354,687 × 354,687
  4. Step 4: Simplify right side
    228,162x = 125,802,867,969
  5. Step 5: Solve for x
    x = 125,802,867,969/228,162
  6. Step 6: Final answer
    x = 551,375.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.