Finding the Third Proportional to 272,043.75 and 422,661.75
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Solution
The third proportional to 272,043.75 and 422,661.75 is: 656,669.95
Step by Step Solution
- Step 1: Write the proportion equation
272,043.75 : 422,661.75 = 422,661.75 : x - Step 2: Convert to fraction form
272,043.75/422,661.75 = 422,661.75/x - Step 3: Cross multiply
272,043.75x = 422,661.75 × 422,661.75 - Step 4: Simplify right side
272,043.75x = 178,642,954,913.06 - Step 5: Solve for x
x = 178,642,954,913.06/272,043.75 - Step 6: Final answer
x = 656,669.95
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.