Finding the Third Proportional to 62,620.88 and 128,309.06
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Solution
The third proportional to 62,620.88 and 128,309.06 is: 262,902.99
Step by Step Solution
- Step 1: Write the proportion equation
62,620.88 : 128,309.06 = 128,309.06 : x - Step 2: Convert to fraction form
62,620.88/128,309.06 = 128,309.06/x - Step 3: Cross multiply
62,620.88x = 128,309.06 × 128,309.06 - Step 4: Simplify right side
62,620.88x = 16,463,215,519.63 - Step 5: Solve for x
x = 16,463,215,519.63/62,620.88 - Step 6: Final answer
x = 262,902.99
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.