Finding the Third Proportional to 3,113.75 and 6,689.75
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Solution
The third proportional to 3,113.75 and 6,689.75 is: 14,372.62
Step by Step Solution
- Step 1: Write the proportion equation
3,113.75 : 6,689.75 = 6,689.75 : x - Step 2: Convert to fraction form
3,113.75/6,689.75 = 6,689.75/x - Step 3: Cross multiply
3,113.75x = 6,689.75 × 6,689.75 - Step 4: Simplify right side
3,113.75x = 44,752,755.06 - Step 5: Solve for x
x = 44,752,755.06/3,113.75 - Step 6: Final answer
x = 14,372.62
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.