Finding the Third Proportional to 3,121.88 and 6,675.75
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Solution
The third proportional to 3,121.88 and 6,675.75 is: 14,275.28
Step by Step Solution
- Step 1: Write the proportion equation
3,121.88 : 6,675.75 = 6,675.75 : x - Step 2: Convert to fraction form
3,121.88/6,675.75 = 6,675.75/x - Step 3: Cross multiply
3,121.88x = 6,675.75 × 6,675.75 - Step 4: Simplify right side
3,121.88x = 44,565,638.06 - Step 5: Solve for x
x = 44,565,638.06/3,121.88 - Step 6: Final answer
x = 14,275.28
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.