Finding the Third Proportional to 54,849.75 and 81,915.75
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Solution
The third proportional to 54,849.75 and 81,915.75 is: 122,337.66
Step by Step Solution
- Step 1: Write the proportion equation
54,849.75 : 81,915.75 = 81,915.75 : x - Step 2: Convert to fraction form
54,849.75/81,915.75 = 81,915.75/x - Step 3: Cross multiply
54,849.75x = 81,915.75 × 81,915.75 - Step 4: Simplify right side
54,849.75x = 6,710,190,098.06 - Step 5: Solve for x
x = 6,710,190,098.06/54,849.75 - Step 6: Final answer
x = 122,337.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.