Finding the Third Proportional to 7,490 and 15,950
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Solution
The third proportional to 7,490 and 15,950 is: 33,965.62
Step by Step Solution
- Step 1: Write the proportion equation
7,490 : 15,950 = 15,950 : x - Step 2: Convert to fraction form
7,490/15,950 = 15,950/x - Step 3: Cross multiply
7,490x = 15,950 × 15,950 - Step 4: Simplify right side
7,490x = 254,402,500 - Step 5: Solve for x
x = 254,402,500/7,490 - Step 6: Final answer
x = 33,965.62
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.