Finding the Third Proportional to 3,214.69 and 6,518.81
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Solution
The third proportional to 3,214.69 and 6,518.81 is: 13,218.99
Step by Step Solution
- Step 1: Write the proportion equation
3,214.69 : 6,518.81 = 6,518.81 : x - Step 2: Convert to fraction form
3,214.69/6,518.81 = 6,518.81/x - Step 3: Cross multiply
3,214.69x = 6,518.81 × 6,518.81 - Step 4: Simplify right side
3,214.69x = 42,494,916.41 - Step 5: Solve for x
x = 42,494,916.41/3,214.69 - Step 6: Final answer
x = 13,218.99
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.