Finding the Third Proportional to 68,439.94 and 145,779.75
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Solution
The third proportional to 68,439.94 and 145,779.75 is: 310,516.58
Step by Step Solution
- Step 1: Write the proportion equation
68,439.94 : 145,779.75 = 145,779.75 : x - Step 2: Convert to fraction form
68,439.94/145,779.75 = 145,779.75/x - Step 3: Cross multiply
68,439.94x = 145,779.75 × 145,779.75 - Step 4: Simplify right side
68,439.94x = 21,251,735,510.06 - Step 5: Solve for x
x = 21,251,735,510.06/68,439.94 - Step 6: Final answer
x = 310,516.58
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.