Finding the Third Proportional to 198,042.38 and 427,649.63
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Solution
The third proportional to 198,042.38 and 427,649.63 is: 923,459.95
Step by Step Solution
- Step 1: Write the proportion equation
198,042.38 : 427,649.63 = 427,649.63 : x - Step 2: Convert to fraction form
198,042.38/427,649.63 = 427,649.63/x - Step 3: Cross multiply
198,042.38x = 427,649.63 × 427,649.63 - Step 4: Simplify right side
198,042.38x = 182,884,201,762.64 - Step 5: Solve for x
x = 182,884,201,762.64/198,042.38 - Step 6: Final answer
x = 923,459.95
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.