Finding the Third Proportional to 129,136.50 and 279,717.75
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Solution
The third proportional to 129,136.50 and 279,717.75 is: 605,886.17
Step by Step Solution
- Step 1: Write the proportion equation
129,136.50 : 279,717.75 = 279,717.75 : x - Step 2: Convert to fraction form
129,136.50/279,717.75 = 279,717.75/x - Step 3: Cross multiply
129,136.50x = 279,717.75 × 279,717.75 - Step 4: Simplify right side
129,136.50x = 78,242,019,665.06 - Step 5: Solve for x
x = 78,242,019,665.06/129,136.50 - Step 6: Final answer
x = 605,886.17
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.