Finding the Third Proportional to 285,232.50 and 438,459.75
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Solution
The third proportional to 285,232.50 and 438,459.75 is: 674,000.87
Step by Step Solution
- Step 1: Write the proportion equation
285,232.50 : 438,459.75 = 438,459.75 : x - Step 2: Convert to fraction form
285,232.50/438,459.75 = 438,459.75/x - Step 3: Cross multiply
285,232.50x = 438,459.75 × 438,459.75 - Step 4: Simplify right side
285,232.50x = 192,246,952,370.06 - Step 5: Solve for x
x = 192,246,952,370.06/285,232.50 - Step 6: Final answer
x = 674,000.87
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.