Finding the Third Proportional to 6,139.13 and 8,231.63
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Solution
The third proportional to 6,139.13 and 8,231.63 is: 11,037.35
Step by Step Solution
- Step 1: Write the proportion equation
6,139.13 : 8,231.63 = 8,231.63 : x - Step 2: Convert to fraction form
6,139.13/8,231.63 = 8,231.63/x - Step 3: Cross multiply
6,139.13x = 8,231.63 × 8,231.63 - Step 4: Simplify right side
6,139.13x = 67,759,650.14 - Step 5: Solve for x
x = 67,759,650.14/6,139.13 - Step 6: Final answer
x = 11,037.35
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Why These Related Problems?
These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.