Finding the Third Proportional to 748,242 and 1,811,421
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Solution
The third proportional to 748,242 and 1,811,421 is: 4,385,273.80
Step by Step Solution
- Step 1: Write the proportion equation
748,242 : 1,811,421 = 1,811,421 : x - Step 2: Convert to fraction form
748,242/1,811,421 = 1,811,421/x - Step 3: Cross multiply
748,242x = 1,811,421 × 1,811,421 - Step 4: Simplify right side
748,242x = 3,281,246,039,241 - Step 5: Solve for x
x = 3,281,246,039,241/748,242 - Step 6: Final answer
x = 4,385,273.80
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Why These Related Problems?
These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.