Finding the Third Proportional to 671 and 1,076
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Solution
The third proportional to 671 and 1,076 is: 1,725.45
Step by Step Solution
- Step 1: Write the proportion equation
671 : 1,076 = 1,076 : x - Step 2: Convert to fraction form
671/1,076 = 1,076/x - Step 3: Cross multiply
671x = 1,076 × 1,076 - Step 4: Simplify right side
671x = 1,157,776 - Step 5: Solve for x
x = 1,157,776/671 - Step 6: Final answer
x = 1,725.45
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Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.