Finding the Third Proportional to 129,541.25 and 278,765.75
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Solution
The third proportional to 129,541.25 and 278,765.75 is: 599,888.79
Step by Step Solution
- Step 1: Write the proportion equation
129,541.25 : 278,765.75 = 278,765.75 : x - Step 2: Convert to fraction form
129,541.25/278,765.75 = 278,765.75/x - Step 3: Cross multiply
129,541.25x = 278,765.75 × 278,765.75 - Step 4: Simplify right side
129,541.25x = 77,710,343,373.06 - Step 5: Solve for x
x = 77,710,343,373.06/129,541.25 - Step 6: Final answer
x = 599,888.79
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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.