Finding the Third Proportional to 747.56 and 1,631.81
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Solution
The third proportional to 747.56 and 1,631.81 is: 3,561.99
Step by Step Solution
- Step 1: Write the proportion equation
747.56 : 1,631.81 = 1,631.81 : x - Step 2: Convert to fraction form
747.56/1,631.81 = 1,631.81/x - Step 3: Cross multiply
747.56x = 1,631.81 × 1,631.81 - Step 4: Simplify right side
747.56x = 2,662,812.04 - Step 5: Solve for x
x = 2,662,812.04/747.56 - Step 6: Final answer
x = 3,561.99
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.