Finding the Third Proportional to 4,891.50 and 6,969.75
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Solution
The third proportional to 4,891.50 and 6,969.75 is: 9,930.99
Step by Step Solution
- Step 1: Write the proportion equation
4,891.50 : 6,969.75 = 6,969.75 : x - Step 2: Convert to fraction form
4,891.50/6,969.75 = 6,969.75/x - Step 3: Cross multiply
4,891.50x = 6,969.75 × 6,969.75 - Step 4: Simplify right side
4,891.50x = 48,577,415.06 - Step 5: Solve for x
x = 48,577,415.06/4,891.50 - Step 6: Final answer
x = 9,930.99
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.