Finding the Third Proportional to 216,718.50 and 311,135.75
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Solution
The third proportional to 216,718.50 and 311,135.75 is: 446,687.55
Step by Step Solution
- Step 1: Write the proportion equation
216,718.50 : 311,135.75 = 311,135.75 : x - Step 2: Convert to fraction form
216,718.50/311,135.75 = 311,135.75/x - Step 3: Cross multiply
216,718.50x = 311,135.75 × 311,135.75 - Step 4: Simplify right side
216,718.50x = 96,805,454,928.06 - Step 5: Solve for x
x = 96,805,454,928.06/216,718.50 - Step 6: Final answer
x = 446,687.55
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.