Finding the Third Proportional to 405 and 877.31
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Solution
The third proportional to 405 and 877.31 is: 1,900.44
Step by Step Solution
- Step 1: Write the proportion equation
405 : 877.31 = 877.31 : x - Step 2: Convert to fraction form
405/877.31 = 877.31/x - Step 3: Cross multiply
405x = 877.31 × 877.31 - Step 4: Simplify right side
405x = 769,677.22 - Step 5: Solve for x
x = 769,677.22/405 - Step 6: Final answer
x = 1,900.44
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.