Finding the Third Proportional to 242,203.50 and 378,021.75
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Solution
The third proportional to 242,203.50 and 378,021.75 is: 590,001.56
Step by Step Solution
- Step 1: Write the proportion equation
242,203.50 : 378,021.75 = 378,021.75 : x - Step 2: Convert to fraction form
242,203.50/378,021.75 = 378,021.75/x - Step 3: Cross multiply
242,203.50x = 378,021.75 × 378,021.75 - Step 4: Simplify right side
242,203.50x = 142,900,443,473.06 - Step 5: Solve for x
x = 142,900,443,473.06/242,203.50 - Step 6: Final answer
x = 590,001.56
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.