Finding the Third Proportional to 38,670.75 and 84,813.75
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Solution
The third proportional to 38,670.75 and 84,813.75 is: 186,015.84
Step by Step Solution
- Step 1: Write the proportion equation
38,670.75 : 84,813.75 = 84,813.75 : x - Step 2: Convert to fraction form
38,670.75/84,813.75 = 84,813.75/x - Step 3: Cross multiply
38,670.75x = 84,813.75 × 84,813.75 - Step 4: Simplify right side
38,670.75x = 7,193,372,189.06 - Step 5: Solve for x
x = 7,193,372,189.06/38,670.75 - Step 6: Final answer
x = 186,015.84
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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.