Finding the Third Proportional to 79,735.13 and 128,472.75
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Solution
The third proportional to 79,735.13 and 128,472.75 is: 207,000.96
Step by Step Solution
- Step 1: Write the proportion equation
79,735.13 : 128,472.75 = 128,472.75 : x - Step 2: Convert to fraction form
79,735.13/128,472.75 = 128,472.75/x - Step 3: Cross multiply
79,735.13x = 128,472.75 × 128,472.75 - Step 4: Simplify right side
79,735.13x = 16,505,247,492.56 - Step 5: Solve for x
x = 16,505,247,492.56/79,735.13 - Step 6: Final answer
x = 207,000.96
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.