Finding the Third Proportional to 776 and 1,713
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Solution
The third proportional to 776 and 1,713 is: 3,781.40
Step by Step Solution
- Step 1: Write the proportion equation
776 : 1,713 = 1,713 : x - Step 2: Convert to fraction form
776/1,713 = 1,713/x - Step 3: Cross multiply
776x = 1,713 × 1,713 - Step 4: Simplify right side
776x = 2,934,369 - Step 5: Solve for x
x = 2,934,369/776 - Step 6: Final answer
x = 3,781.40
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.