Finding the Third Proportional to 21,138.75 and 29,553.75
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Solution
The third proportional to 21,138.75 and 29,553.75 is: 41,318.63
Step by Step Solution
- Step 1: Write the proportion equation
21,138.75 : 29,553.75 = 29,553.75 : x - Step 2: Convert to fraction form
21,138.75/29,553.75 = 29,553.75/x - Step 3: Cross multiply
21,138.75x = 29,553.75 × 29,553.75 - Step 4: Simplify right side
21,138.75x = 873,424,139.06 - Step 5: Solve for x
x = 873,424,139.06/21,138.75 - Step 6: Final answer
x = 41,318.63
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.