Finding the Third Proportional to 749.50 and 1,535
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Solution
The third proportional to 749.50 and 1,535 is: 3,143.73
Step by Step Solution
- Step 1: Write the proportion equation
749.50 : 1,535 = 1,535 : x - Step 2: Convert to fraction form
749.50/1,535 = 1,535/x - Step 3: Cross multiply
749.50x = 1,535 × 1,535 - Step 4: Simplify right side
749.50x = 2,356,225 - Step 5: Solve for x
x = 2,356,225/749.50 - Step 6: Final answer
x = 3,143.73
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.