Finding the Third Proportional to 985,170 and 2,122,316
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Solution
The third proportional to 985,170 and 2,122,316 is: 4,572,028.38
Step by Step Solution
- Step 1: Write the proportion equation
985,170 : 2,122,316 = 2,122,316 : x - Step 2: Convert to fraction form
985,170/2,122,316 = 2,122,316/x - Step 3: Cross multiply
985,170x = 2,122,316 × 2,122,316 - Step 4: Simplify right side
985,170x = 4,504,225,203,856 - Step 5: Solve for x
x = 4,504,225,203,856/985,170 - Step 6: Final answer
x = 4,572,028.38
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.