Finding the Third Proportional to 79,212.75 and 176,135.75
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Solution
The third proportional to 79,212.75 and 176,135.75 is: 391,651.63
Step by Step Solution
- Step 1: Write the proportion equation
79,212.75 : 176,135.75 = 176,135.75 : x - Step 2: Convert to fraction form
79,212.75/176,135.75 = 176,135.75/x - Step 3: Cross multiply
79,212.75x = 176,135.75 × 176,135.75 - Step 4: Simplify right side
79,212.75x = 31,023,802,428.06 - Step 5: Solve for x
x = 31,023,802,428.06/79,212.75 - Step 6: Final answer
x = 391,651.63
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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.