Finding the Third Proportional to 431,120.81 and 889,916.63
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Solution
The third proportional to 431,120.81 and 889,916.63 is: 1,836,959.80
Step by Step Solution
- Step 1: Write the proportion equation
431,120.81 : 889,916.63 = 889,916.63 : x - Step 2: Convert to fraction form
431,120.81/889,916.63 = 889,916.63/x - Step 3: Cross multiply
431,120.81x = 889,916.63 × 889,916.63 - Step 4: Simplify right side
431,120.81x = 791,951,599,451.39 - Step 5: Solve for x
x = 791,951,599,451.39/431,120.81 - Step 6: Final answer
x = 1,836,959.80
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.