Finding the Third Proportional to 398,535.19 and 431,340.19
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Solution
The third proportional to 398,535.19 and 431,340.19 is: 466,845.50
Step by Step Solution
- Step 1: Write the proportion equation
398,535.19 : 431,340.19 = 431,340.19 : x - Step 2: Convert to fraction form
398,535.19/431,340.19 = 431,340.19/x - Step 3: Cross multiply
398,535.19x = 431,340.19 × 431,340.19 - Step 4: Simplify right side
398,535.19x = 186,054,357,352.54 - Step 5: Solve for x
x = 186,054,357,352.54/398,535.19 - Step 6: Final answer
x = 466,845.50
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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.