Finding the Third Proportional to 76,717.75 and 103,197.75
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Solution
The third proportional to 76,717.75 and 103,197.75 is: 138,817.62
Step by Step Solution
- Step 1: Write the proportion equation
76,717.75 : 103,197.75 = 103,197.75 : x - Step 2: Convert to fraction form
76,717.75/103,197.75 = 103,197.75/x - Step 3: Cross multiply
76,717.75x = 103,197.75 × 103,197.75 - Step 4: Simplify right side
76,717.75x = 10,649,775,605.06 - Step 5: Solve for x
x = 10,649,775,605.06/76,717.75 - Step 6: Final answer
x = 138,817.62
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.