Finding the Third Proportional to 624.50 and 912.75
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Solution
The third proportional to 624.50 and 912.75 is: 1,334.05
Step by Step Solution
- Step 1: Write the proportion equation
624.50 : 912.75 = 912.75 : x - Step 2: Convert to fraction form
624.50/912.75 = 912.75/x - Step 3: Cross multiply
624.50x = 912.75 × 912.75 - Step 4: Simplify right side
624.50x = 833,112.56 - Step 5: Solve for x
x = 833,112.56/624.50 - Step 6: Final answer
x = 1,334.05
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.