Finding the Third Proportional to 1,472 and 2,240
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Solution
The third proportional to 1,472 and 2,240 is: 3,408.70
Step by Step Solution
- Step 1: Write the proportion equation
1,472 : 2,240 = 2,240 : x - Step 2: Convert to fraction form
1,472/2,240 = 2,240/x - Step 3: Cross multiply
1,472x = 2,240 × 2,240 - Step 4: Simplify right side
1,472x = 5,017,600 - Step 5: Solve for x
x = 5,017,600/1,472 - Step 6: Final answer
x = 3,408.70
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.