Finding the Third Proportional to 55,390,275 and 128,218,463.44
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Solution
The third proportional to 55,390,275 and 128,218,463.44 is: 296,802,540.99
Step by Step Solution
- Step 1: Write the proportion equation
55,390,275 : 128,218,463.44 = 128,218,463.44 : x - Step 2: Convert to fraction form
55,390,275/128,218,463.44 = 128,218,463.44/x - Step 3: Cross multiply
55,390,275x = 128,218,463.44 × 128,218,463.44 - Step 4: Simplify right side
55,390,275x = 16,439,974,366,273,524 - Step 5: Solve for x
x = 16,439,974,366,273,524/55,390,275 - Step 6: Final answer
x = 296,802,540.99
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.