Finding the Third Proportional to 934.25 and 1,979
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Solution
The third proportional to 934.25 and 1,979 is: 4,192.07
Step by Step Solution
- Step 1: Write the proportion equation
934.25 : 1,979 = 1,979 : x - Step 2: Convert to fraction form
934.25/1,979 = 1,979/x - Step 3: Cross multiply
934.25x = 1,979 × 1,979 - Step 4: Simplify right side
934.25x = 3,916,441 - Step 5: Solve for x
x = 3,916,441/934.25 - Step 6: Final answer
x = 4,192.07
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.