Finding the Third Proportional to 657.50 and 1,550
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Solution
The third proportional to 657.50 and 1,550 is: 3,653.99
Step by Step Solution
- Step 1: Write the proportion equation
657.50 : 1,550 = 1,550 : x - Step 2: Convert to fraction form
657.50/1,550 = 1,550/x - Step 3: Cross multiply
657.50x = 1,550 × 1,550 - Step 4: Simplify right side
657.50x = 2,402,500 - Step 5: Solve for x
x = 2,402,500/657.50 - Step 6: Final answer
x = 3,653.99
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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.