Finding the Third Proportional to 222,420 and 489,324
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Solution
The third proportional to 222,420 and 489,324 is: 1,076,512.80
Step by Step Solution
- Step 1: Write the proportion equation
222,420 : 489,324 = 489,324 : x - Step 2: Convert to fraction form
222,420/489,324 = 489,324/x - Step 3: Cross multiply
222,420x = 489,324 × 489,324 - Step 4: Simplify right side
222,420x = 239,437,976,976 - Step 5: Solve for x
x = 239,437,976,976/222,420 - Step 6: Final answer
x = 1,076,512.80
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.