Finding the Third Proportional to 256,891.50 and 395,340.75
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Solution
The third proportional to 256,891.50 and 395,340.75 is: 608,405.92
Step by Step Solution
- Step 1: Write the proportion equation
256,891.50 : 395,340.75 = 395,340.75 : x - Step 2: Convert to fraction form
256,891.50/395,340.75 = 395,340.75/x - Step 3: Cross multiply
256,891.50x = 395,340.75 × 395,340.75 - Step 4: Simplify right side
256,891.50x = 156,294,308,610.56 - Step 5: Solve for x
x = 156,294,308,610.56/256,891.50 - Step 6: Final answer
x = 608,405.92
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.