Finding the Third Proportional to 40,515.19 and 75,471.75
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Solution
The third proportional to 40,515.19 and 75,471.75 is: 140,588.89
Step by Step Solution
- Step 1: Write the proportion equation
40,515.19 : 75,471.75 = 75,471.75 : x - Step 2: Convert to fraction form
40,515.19/75,471.75 = 75,471.75/x - Step 3: Cross multiply
40,515.19x = 75,471.75 × 75,471.75 - Step 4: Simplify right side
40,515.19x = 5,695,985,048.06 - Step 5: Solve for x
x = 5,695,985,048.06/40,515.19 - Step 6: Final answer
x = 140,588.89
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Why These Related Problems?
These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.