Finding the Third Proportional to 745.50 and 873
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Solution
The third proportional to 745.50 and 873 is: 1,022.31
Step by Step Solution
- Step 1: Write the proportion equation
745.50 : 873 = 873 : x - Step 2: Convert to fraction form
745.50/873 = 873/x - Step 3: Cross multiply
745.50x = 873 × 873 - Step 4: Simplify right side
745.50x = 762,129 - Step 5: Solve for x
x = 762,129/745.50 - Step 6: Final answer
x = 1,022.31
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Why These Related Problems?
These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.