Finding the Third Proportional to 4,090.50 and 8,961.75
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Solution
The third proportional to 4,090.50 and 8,961.75 is: 19,634.02
Step by Step Solution
- Step 1: Write the proportion equation
4,090.50 : 8,961.75 = 8,961.75 : x - Step 2: Convert to fraction form
4,090.50/8,961.75 = 8,961.75/x - Step 3: Cross multiply
4,090.50x = 8,961.75 × 8,961.75 - Step 4: Simplify right side
4,090.50x = 80,312,963.06 - Step 5: Solve for x
x = 80,312,963.06/4,090.50 - Step 6: Final answer
x = 19,634.02
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.