Finding the Third Proportional to 702 and 778.50
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Solution
The third proportional to 702 and 778.50 is: 863.34
Step by Step Solution
- Step 1: Write the proportion equation
702 : 778.50 = 778.50 : x - Step 2: Convert to fraction form
702/778.50 = 778.50/x - Step 3: Cross multiply
702x = 778.50 × 778.50 - Step 4: Simplify right side
702x = 606,062.25 - Step 5: Solve for x
x = 606,062.25/702 - Step 6: Final answer
x = 863.34
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These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.