Finding the Third Proportional to 7,194 and 15,721.50
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Solution
The third proportional to 7,194 and 15,721.50 is: 34,357.18
Step by Step Solution
- Step 1: Write the proportion equation
7,194 : 15,721.50 = 15,721.50 : x - Step 2: Convert to fraction form
7,194/15,721.50 = 15,721.50/x - Step 3: Cross multiply
7,194x = 15,721.50 × 15,721.50 - Step 4: Simplify right side
7,194x = 247,165,562.25 - Step 5: Solve for x
x = 247,165,562.25/7,194 - Step 6: Final answer
x = 34,357.18
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.