Finding the Third Proportional to 71,388.84 and 153,543.09
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Solution
The third proportional to 71,388.84 and 153,543.09 is: 330,240.42
Step by Step Solution
- Step 1: Write the proportion equation
71,388.84 : 153,543.09 = 153,543.09 : x - Step 2: Convert to fraction form
71,388.84/153,543.09 = 153,543.09/x - Step 3: Cross multiply
71,388.84x = 153,543.09 × 153,543.09 - Step 4: Simplify right side
71,388.84x = 23,575,481,638.32 - Step 5: Solve for x
x = 23,575,481,638.32/71,388.84 - Step 6: Final answer
x = 330,240.42
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.