Finding the Third Proportional to 389,380 and 844,856
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Solution
The third proportional to 389,380 and 844,856 is: 1,833,123.58
Step by Step Solution
- Step 1: Write the proportion equation
389,380 : 844,856 = 844,856 : x - Step 2: Convert to fraction form
389,380/844,856 = 844,856/x - Step 3: Cross multiply
389,380x = 844,856 × 844,856 - Step 4: Simplify right side
389,380x = 713,781,660,736 - Step 5: Solve for x
x = 713,781,660,736/389,380 - Step 6: Final answer
x = 1,833,123.58
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.