Finding the Third Proportional to 129,348.14 and 278,364.09
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Solution
The third proportional to 129,348.14 and 278,364.09 is: 599,054.37
Step by Step Solution
- Step 1: Write the proportion equation
129,348.14 : 278,364.09 = 278,364.09 : x - Step 2: Convert to fraction form
129,348.14/278,364.09 = 278,364.09/x - Step 3: Cross multiply
129,348.14x = 278,364.09 × 278,364.09 - Step 4: Simplify right side
129,348.14x = 77,486,568,689.26 - Step 5: Solve for x
x = 77,486,568,689.26/129,348.14 - Step 6: Final answer
x = 599,054.37
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.