Finding the Third Proportional to 7,210 and 15,644
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Solution
The third proportional to 7,210 and 15,644 is: 33,943.79
Step by Step Solution
- Step 1: Write the proportion equation
7,210 : 15,644 = 15,644 : x - Step 2: Convert to fraction form
7,210/15,644 = 15,644/x - Step 3: Cross multiply
7,210x = 15,644 × 15,644 - Step 4: Simplify right side
7,210x = 244,734,736 - Step 5: Solve for x
x = 244,734,736/7,210 - Step 6: Final answer
x = 33,943.79
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.