Finding the Third Proportional to 542 and 913
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Solution
The third proportional to 542 and 913 is: 1,537.95
Step by Step Solution
- Step 1: Write the proportion equation
542 : 913 = 913 : x - Step 2: Convert to fraction form
542/913 = 913/x - Step 3: Cross multiply
542x = 913 × 913 - Step 4: Simplify right side
542x = 833,569 - Step 5: Solve for x
x = 833,569/542 - Step 6: Final answer
x = 1,537.95
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Why These Related Problems?
These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.