Finding the Third Proportional to 388 and 744.50
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Solution
The third proportional to 388 and 744.50 is: 1,428.56
Step by Step Solution
- Step 1: Write the proportion equation
388 : 744.50 = 744.50 : x - Step 2: Convert to fraction form
388/744.50 = 744.50/x - Step 3: Cross multiply
388x = 744.50 × 744.50 - Step 4: Simplify right side
388x = 554,280.25 - Step 5: Solve for x
x = 554,280.25/388 - Step 6: Final answer
x = 1,428.56
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These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.