Finding the Third Proportional to 38,967.75 and 82,572.75
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Solution
The third proportional to 38,967.75 and 82,572.75 is: 174,971.84
Step by Step Solution
- Step 1: Write the proportion equation
38,967.75 : 82,572.75 = 82,572.75 : x - Step 2: Convert to fraction form
38,967.75/82,572.75 = 82,572.75/x - Step 3: Cross multiply
38,967.75x = 82,572.75 × 82,572.75 - Step 4: Simplify right side
38,967.75x = 6,818,259,042.56 - Step 5: Solve for x
x = 6,818,259,042.56/38,967.75 - Step 6: Final answer
x = 174,971.84
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.