Finding the Third Proportional to 493.50 and 556.50
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Solution
The third proportional to 493.50 and 556.50 is: 627.54
Step by Step Solution
- Step 1: Write the proportion equation
493.50 : 556.50 = 556.50 : x - Step 2: Convert to fraction form
493.50/556.50 = 556.50/x - Step 3: Cross multiply
493.50x = 556.50 × 556.50 - Step 4: Simplify right side
493.50x = 309,692.25 - Step 5: Solve for x
x = 309,692.25/493.50 - Step 6: Final answer
x = 627.54
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These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.