Finding the Third Proportional to 3,129.75 and 3,372.75
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Solution
The third proportional to 3,129.75 and 3,372.75 is: 3,634.62
Step by Step Solution
- Step 1: Write the proportion equation
3,129.75 : 3,372.75 = 3,372.75 : x - Step 2: Convert to fraction form
3,129.75/3,372.75 = 3,372.75/x - Step 3: Cross multiply
3,129.75x = 3,372.75 × 3,372.75 - Step 4: Simplify right side
3,129.75x = 11,375,442.56 - Step 5: Solve for x
x = 11,375,442.56/3,129.75 - Step 6: Final answer
x = 3,634.62
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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.