Finding the Third Proportional to 5,478 and 8,500
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Solution
The third proportional to 5,478 and 8,500 is: 13,189.12
Step by Step Solution
- Step 1: Write the proportion equation
5,478 : 8,500 = 8,500 : x - Step 2: Convert to fraction form
5,478/8,500 = 8,500/x - Step 3: Cross multiply
5,478x = 8,500 × 8,500 - Step 4: Simplify right side
5,478x = 72,250,000 - Step 5: Solve for x
x = 72,250,000/5,478 - Step 6: Final answer
x = 13,189.12
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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.