Finding the Third Proportional to 198,320.63 and 407,201.63
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Solution
The third proportional to 198,320.63 and 407,201.63 is: 836,086.33
Step by Step Solution
- Step 1: Write the proportion equation
198,320.63 : 407,201.63 = 407,201.63 : x - Step 2: Convert to fraction form
198,320.63/407,201.63 = 407,201.63/x - Step 3: Cross multiply
198,320.63x = 407,201.63 × 407,201.63 - Step 4: Simplify right side
198,320.63x = 165,813,163,402.64 - Step 5: Solve for x
x = 165,813,163,402.64/198,320.63 - Step 6: Final answer
x = 836,086.33
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.