Finding the Third Proportional to 198,440 and 277,572
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Solution
The third proportional to 198,440 and 277,572 is: 388,259.50
Step by Step Solution
- Step 1: Write the proportion equation
198,440 : 277,572 = 277,572 : x - Step 2: Convert to fraction form
198,440/277,572 = 277,572/x - Step 3: Cross multiply
198,440x = 277,572 × 277,572 - Step 4: Simplify right side
198,440x = 77,046,215,184 - Step 5: Solve for x
x = 77,046,215,184/198,440 - Step 6: Final answer
x = 388,259.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.