Finding the Third Proportional to 1,156 and 1,972
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Solution
The third proportional to 1,156 and 1,972 is: 3,364
Step by Step Solution
- Step 1: Write the proportion equation
1,156 : 1,972 = 1,972 : x - Step 2: Convert to fraction form
1,156/1,972 = 1,972/x - Step 3: Cross multiply
1,156x = 1,972 × 1,972 - Step 4: Simplify right side
1,156x = 3,888,784 - Step 5: Solve for x
x = 3,888,784/1,156 - Step 6: Final answer
x = 3,364
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Why These Related Problems?
These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.