Finding the Third Proportional to 3,217.78 and 6,979.08
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Solution
The third proportional to 3,217.78 and 6,979.08 is: 15,136.99
Step by Step Solution
- Step 1: Write the proportion equation
3,217.78 : 6,979.08 = 6,979.08 : x - Step 2: Convert to fraction form
3,217.78/6,979.08 = 6,979.08/x - Step 3: Cross multiply
3,217.78x = 6,979.08 × 6,979.08 - Step 4: Simplify right side
3,217.78x = 48,707,531.47 - Step 5: Solve for x
x = 48,707,531.47/3,217.78 - Step 6: Final answer
x = 15,136.99
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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.