Finding the Third Proportional to 839 and 913
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Solution
The third proportional to 839 and 913 is: 993.53
Step by Step Solution
- Step 1: Write the proportion equation
839 : 913 = 913 : x - Step 2: Convert to fraction form
839/913 = 913/x - Step 3: Cross multiply
839x = 913 × 913 - Step 4: Simplify right side
839x = 833,569 - Step 5: Solve for x
x = 833,569/839 - Step 6: Final answer
x = 993.53
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.