Finding the Third Proportional to 695 and 1,491.50
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Solution
The third proportional to 695 and 1,491.50 is: 3,200.82
Step by Step Solution
- Step 1: Write the proportion equation
695 : 1,491.50 = 1,491.50 : x - Step 2: Convert to fraction form
695/1,491.50 = 1,491.50/x - Step 3: Cross multiply
695x = 1,491.50 × 1,491.50 - Step 4: Simplify right side
695x = 2,224,572.25 - Step 5: Solve for x
x = 2,224,572.25/695 - Step 6: Final answer
x = 3,200.82
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.