Finding the Third Proportional to 578 and 1,224
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Solution
The third proportional to 578 and 1,224 is: 2,592
Step by Step Solution
- Step 1: Write the proportion equation
578 : 1,224 = 1,224 : x - Step 2: Convert to fraction form
578/1,224 = 1,224/x - Step 3: Cross multiply
578x = 1,224 × 1,224 - Step 4: Simplify right side
578x = 1,498,176 - Step 5: Solve for x
x = 1,498,176/578 - Step 6: Final answer
x = 2,592
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.