Finding the Third Proportional to 1,057 and 2,210
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Solution
The third proportional to 1,057 and 2,210 is: 4,620.72
Step by Step Solution
- Step 1: Write the proportion equation
1,057 : 2,210 = 2,210 : x - Step 2: Convert to fraction form
1,057/2,210 = 2,210/x - Step 3: Cross multiply
1,057x = 2,210 × 2,210 - Step 4: Simplify right side
1,057x = 4,884,100 - Step 5: Solve for x
x = 4,884,100/1,057 - Step 6: Final answer
x = 4,620.72
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.