Finding the Third Proportional to 251,509.25 and 392,572.75
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Solution
The third proportional to 251,509.25 and 392,572.75 is: 612,754.26
Step by Step Solution
- Step 1: Write the proportion equation
251,509.25 : 392,572.75 = 392,572.75 : x - Step 2: Convert to fraction form
251,509.25/392,572.75 = 392,572.75/x - Step 3: Cross multiply
251,509.25x = 392,572.75 × 392,572.75 - Step 4: Simplify right side
251,509.25x = 154,113,364,042.56 - Step 5: Solve for x
x = 154,113,364,042.56/251,509.25 - Step 6: Final answer
x = 612,754.26
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.