Finding the Third Proportional to 285,108.19 and 398,597.63
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Solution
The third proportional to 285,108.19 and 398,597.63 is: 557,262.38
Step by Step Solution
- Step 1: Write the proportion equation
285,108.19 : 398,597.63 = 398,597.63 : x - Step 2: Convert to fraction form
285,108.19/398,597.63 = 398,597.63/x - Step 3: Cross multiply
285,108.19x = 398,597.63 × 398,597.63 - Step 4: Simplify right side
285,108.19x = 158,880,066,655.64 - Step 5: Solve for x
x = 158,880,066,655.64/285,108.19 - Step 6: Final answer
x = 557,262.38
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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.