Finding the Third Proportional to 4,980.39 and 10,836.99
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Solution
The third proportional to 4,980.39 and 10,836.99 is: 23,580.55
Step by Step Solution
- Step 1: Write the proportion equation
4,980.39 : 10,836.99 = 10,836.99 : x - Step 2: Convert to fraction form
4,980.39/10,836.99 = 10,836.99/x - Step 3: Cross multiply
4,980.39x = 10,836.99 × 10,836.99 - Step 4: Simplify right side
4,980.39x = 117,440,420.84 - Step 5: Solve for x
x = 117,440,420.84/4,980.39 - Step 6: Final answer
x = 23,580.55
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.