Finding the Third Proportional to 620 and 814.50
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Solution
The third proportional to 620 and 814.50 is: 1,070.02
Step by Step Solution
- Step 1: Write the proportion equation
620 : 814.50 = 814.50 : x - Step 2: Convert to fraction form
620/814.50 = 814.50/x - Step 3: Cross multiply
620x = 814.50 × 814.50 - Step 4: Simplify right side
620x = 663,410.25 - Step 5: Solve for x
x = 663,410.25/620 - Step 6: Final answer
x = 1,070.02
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.