Finding the Third Proportional to 6,543,512 and 9,992,415
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Solution
The third proportional to 6,543,512 and 9,992,415 is: 15,259,138.75
Step by Step Solution
- Step 1: Write the proportion equation
6,543,512 : 9,992,415 = 9,992,415 : x - Step 2: Convert to fraction form
6,543,512/9,992,415 = 9,992,415/x - Step 3: Cross multiply
6,543,512x = 9,992,415 × 9,992,415 - Step 4: Simplify right side
6,543,512x = 99,848,357,532,225 - Step 5: Solve for x
x = 99,848,357,532,225/6,543,512 - Step 6: Final answer
x = 15,259,138.75
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.