Finding the Third Proportional to 131,121.28 and 202,473.84
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Solution
The third proportional to 131,121.28 and 202,473.84 is: 312,654.49
Step by Step Solution
- Step 1: Write the proportion equation
131,121.28 : 202,473.84 = 202,473.84 : x - Step 2: Convert to fraction form
131,121.28/202,473.84 = 202,473.84/x - Step 3: Cross multiply
131,121.28x = 202,473.84 × 202,473.84 - Step 4: Simplify right side
131,121.28x = 40,995,657,402.90 - Step 5: Solve for x
x = 40,995,657,402.90/131,121.28 - Step 6: Final answer
x = 312,654.49
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.