Finding the Third Proportional to 3,931,385.63 and 8,409,268.13
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Solution
The third proportional to 3,931,385.63 and 8,409,268.13 is: 17,987,497.83
Step by Step Solution
- Step 1: Write the proportion equation
3,931,385.63 : 8,409,268.13 = 8,409,268.13 : x - Step 2: Convert to fraction form
3,931,385.63/8,409,268.13 = 8,409,268.13/x - Step 3: Cross multiply
3,931,385.63x = 8,409,268.13 × 8,409,268.13 - Step 4: Simplify right side
3,931,385.63x = 70,715,790,398,141.02 - Step 5: Solve for x
x = 70,715,790,398,141.02/3,931,385.63 - Step 6: Final answer
x = 17,987,497.83
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.