Finding the Third Proportional to 773 and 1,387
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Solution
The third proportional to 773 and 1,387 is: 2,488.71
Step by Step Solution
- Step 1: Write the proportion equation
773 : 1,387 = 1,387 : x - Step 2: Convert to fraction form
773/1,387 = 1,387/x - Step 3: Cross multiply
773x = 1,387 × 1,387 - Step 4: Simplify right side
773x = 1,923,769 - Step 5: Solve for x
x = 1,923,769/773 - Step 6: Final answer
x = 2,488.71
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These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.