Finding the Third Proportional to 77,916.94 and 168,287.63
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Solution
The third proportional to 77,916.94 and 168,287.63 is: 363,473.28
Step by Step Solution
- Step 1: Write the proportion equation
77,916.94 : 168,287.63 = 168,287.63 : x - Step 2: Convert to fraction form
77,916.94/168,287.63 = 168,287.63/x - Step 3: Cross multiply
77,916.94x = 168,287.63 × 168,287.63 - Step 4: Simplify right side
77,916.94x = 28,320,724,728.14 - Step 5: Solve for x
x = 28,320,724,728.14/77,916.94 - Step 6: Final answer
x = 363,473.28
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.