Finding the Third Proportional to 38,887.75 and 81,924.75
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Solution
The third proportional to 38,887.75 and 81,924.75 is: 172,590.72
Step by Step Solution
- Step 1: Write the proportion equation
38,887.75 : 81,924.75 = 81,924.75 : x - Step 2: Convert to fraction form
38,887.75/81,924.75 = 81,924.75/x - Step 3: Cross multiply
38,887.75x = 81,924.75 × 81,924.75 - Step 4: Simplify right side
38,887.75x = 6,711,664,662.56 - Step 5: Solve for x
x = 6,711,664,662.56/38,887.75 - Step 6: Final answer
x = 172,590.72
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.