Finding the Third Proportional to 745,420.50 and 993,138.75
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Solution
The third proportional to 745,420.50 and 993,138.75 is: 1,323,178.77
Step by Step Solution
- Step 1: Write the proportion equation
745,420.50 : 993,138.75 = 993,138.75 : x - Step 2: Convert to fraction form
745,420.50/993,138.75 = 993,138.75/x - Step 3: Cross multiply
745,420.50x = 993,138.75 × 993,138.75 - Step 4: Simplify right side
745,420.50x = 986,324,576,751.56 - Step 5: Solve for x
x = 986,324,576,751.56/745,420.50 - Step 6: Final answer
x = 1,323,178.77
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.