Finding the Third Proportional to 54,685.13 and 128,759.63
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Solution
The third proportional to 54,685.13 and 128,759.63 is: 303,172.77
Step by Step Solution
- Step 1: Write the proportion equation
54,685.13 : 128,759.63 = 128,759.63 : x - Step 2: Convert to fraction form
54,685.13/128,759.63 = 128,759.63/x - Step 3: Cross multiply
54,685.13x = 128,759.63 × 128,759.63 - Step 4: Simplify right side
54,685.13x = 16,579,041,030.14 - Step 5: Solve for x
x = 16,579,041,030.14/54,685.13 - Step 6: Final answer
x = 303,172.77
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Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.