Finding the Third Proportional to 862,213 and 1,305,247
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Solution
The third proportional to 862,213 and 1,305,247 is: 1,975,926.75
Step by Step Solution
- Step 1: Write the proportion equation
862,213 : 1,305,247 = 1,305,247 : x - Step 2: Convert to fraction form
862,213/1,305,247 = 1,305,247/x - Step 3: Cross multiply
862,213x = 1,305,247 × 1,305,247 - Step 4: Simplify right side
862,213x = 1,703,669,731,009 - Step 5: Solve for x
x = 1,703,669,731,009/862,213 - Step 6: Final answer
x = 1,975,926.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.