Finding the Third Proportional to 31,750.31 and 69,979.99
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Solution
The third proportional to 31,750.31 and 69,979.99 is: 154,240.98
Step by Step Solution
- Step 1: Write the proportion equation
31,750.31 : 69,979.99 = 69,979.99 : x - Step 2: Convert to fraction form
31,750.31/69,979.99 = 69,979.99/x - Step 3: Cross multiply
31,750.31x = 69,979.99 × 69,979.99 - Step 4: Simplify right side
31,750.31x = 4,897,199,306.56 - Step 5: Solve for x
x = 4,897,199,306.56/31,750.31 - Step 6: Final answer
x = 154,240.98
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.