Finding the Third Proportional to 15,234.75 and 21,741.75
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Solution
The third proportional to 15,234.75 and 21,741.75 is: 31,027.99
Step by Step Solution
- Step 1: Write the proportion equation
15,234.75 : 21,741.75 = 21,741.75 : x - Step 2: Convert to fraction form
15,234.75/21,741.75 = 21,741.75/x - Step 3: Cross multiply
15,234.75x = 21,741.75 × 21,741.75 - Step 4: Simplify right side
15,234.75x = 472,703,693.06 - Step 5: Solve for x
x = 472,703,693.06/15,234.75 - Step 6: Final answer
x = 31,027.99
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.