Finding the Third Proportional to 54,128.25 and 84,138.75
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Solution
The third proportional to 54,128.25 and 84,138.75 is: 130,788.07
Step by Step Solution
- Step 1: Write the proportion equation
54,128.25 : 84,138.75 = 84,138.75 : x - Step 2: Convert to fraction form
54,128.25/84,138.75 = 84,138.75/x - Step 3: Cross multiply
54,128.25x = 84,138.75 × 84,138.75 - Step 4: Simplify right side
54,128.25x = 7,079,329,251.56 - Step 5: Solve for x
x = 7,079,329,251.56/54,128.25 - Step 6: Final answer
x = 130,788.07
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.