Finding the Third Proportional to 1,377.75 and 1,512.75
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Solution
The third proportional to 1,377.75 and 1,512.75 is: 1,660.98
Step by Step Solution
- Step 1: Write the proportion equation
1,377.75 : 1,512.75 = 1,512.75 : x - Step 2: Convert to fraction form
1,377.75/1,512.75 = 1,512.75/x - Step 3: Cross multiply
1,377.75x = 1,512.75 × 1,512.75 - Step 4: Simplify right side
1,377.75x = 2,288,412.56 - Step 5: Solve for x
x = 2,288,412.56/1,377.75 - Step 6: Final answer
x = 1,660.98
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.