Finding the Third Proportional to 75,789.19 and 126,307.78
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Solution
The third proportional to 75,789.19 and 126,307.78 is: 210,500.42
Step by Step Solution
- Step 1: Write the proportion equation
75,789.19 : 126,307.78 = 126,307.78 : x - Step 2: Convert to fraction form
75,789.19/126,307.78 = 126,307.78/x - Step 3: Cross multiply
75,789.19x = 126,307.78 × 126,307.78 - Step 4: Simplify right side
75,789.19x = 15,953,655,604.30 - Step 5: Solve for x
x = 15,953,655,604.30/75,789.19 - Step 6: Final answer
x = 210,500.42
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.