Finding the Third Proportional to 79,766.25 and 174,021.75
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Solution
The third proportional to 79,766.25 and 174,021.75 is: 379,653.92
Step by Step Solution
- Step 1: Write the proportion equation
79,766.25 : 174,021.75 = 174,021.75 : x - Step 2: Convert to fraction form
79,766.25/174,021.75 = 174,021.75/x - Step 3: Cross multiply
79,766.25x = 174,021.75 × 174,021.75 - Step 4: Simplify right side
79,766.25x = 30,283,569,473.06 - Step 5: Solve for x
x = 30,283,569,473.06/79,766.25 - Step 6: Final answer
x = 379,653.92
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.