Finding the Third Proportional to 558 and 670.50
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Solution
The third proportional to 558 and 670.50 is: 805.68
Step by Step Solution
- Step 1: Write the proportion equation
558 : 670.50 = 670.50 : x - Step 2: Convert to fraction form
558/670.50 = 670.50/x - Step 3: Cross multiply
558x = 670.50 × 670.50 - Step 4: Simplify right side
558x = 449,570.25 - Step 5: Solve for x
x = 449,570.25/558 - Step 6: Final answer
x = 805.68
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.