Finding the Third Proportional to 748 and 1,162.50
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Solution
The third proportional to 748 and 1,162.50 is: 1,806.69
Step by Step Solution
- Step 1: Write the proportion equation
748 : 1,162.50 = 1,162.50 : x - Step 2: Convert to fraction form
748/1,162.50 = 1,162.50/x - Step 3: Cross multiply
748x = 1,162.50 × 1,162.50 - Step 4: Simplify right side
748x = 1,351,406.25 - Step 5: Solve for x
x = 1,351,406.25/748 - Step 6: Final answer
x = 1,806.69
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.