Finding the Third Proportional to 128,531.81 and 280,862.44
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Solution
The third proportional to 128,531.81 and 280,862.44 is: 613,729.06
Step by Step Solution
- Step 1: Write the proportion equation
128,531.81 : 280,862.44 = 280,862.44 : x - Step 2: Convert to fraction form
128,531.81/280,862.44 = 280,862.44/x - Step 3: Cross multiply
128,531.81x = 280,862.44 × 280,862.44 - Step 4: Simplify right side
128,531.81x = 78,883,708,798.44 - Step 5: Solve for x
x = 78,883,708,798.44/128,531.81 - Step 6: Final answer
x = 613,729.06
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.