Finding the Third Proportional to 914 and 1,972
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Solution
The third proportional to 914 and 1,972 is: 4,254.69
Step by Step Solution
- Step 1: Write the proportion equation
914 : 1,972 = 1,972 : x - Step 2: Convert to fraction form
914/1,972 = 1,972/x - Step 3: Cross multiply
914x = 1,972 × 1,972 - Step 4: Simplify right side
914x = 3,888,784 - Step 5: Solve for x
x = 3,888,784/914 - Step 6: Final answer
x = 4,254.69
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.