Finding the Third Proportional to 143,485.75 and 312,806.75
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Solution
The third proportional to 143,485.75 and 312,806.75 is: 681,935.75
Step by Step Solution
- Step 1: Write the proportion equation
143,485.75 : 312,806.75 = 312,806.75 : x - Step 2: Convert to fraction form
143,485.75/312,806.75 = 312,806.75/x - Step 3: Cross multiply
143,485.75x = 312,806.75 × 312,806.75 - Step 4: Simplify right side
143,485.75x = 97,848,062,845.56 - Step 5: Solve for x
x = 97,848,062,845.56/143,485.75 - Step 6: Final answer
x = 681,935.75
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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.