Finding the Third Proportional to 5,611.50 and 8,691.75
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Solution
The third proportional to 5,611.50 and 8,691.75 is: 13,462.80
Step by Step Solution
- Step 1: Write the proportion equation
5,611.50 : 8,691.75 = 8,691.75 : x - Step 2: Convert to fraction form
5,611.50/8,691.75 = 8,691.75/x - Step 3: Cross multiply
5,611.50x = 8,691.75 × 8,691.75 - Step 4: Simplify right side
5,611.50x = 75,546,518.06 - Step 5: Solve for x
x = 75,546,518.06/5,611.50 - Step 6: Final answer
x = 13,462.80
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.