Finding the Third Proportional to 693,723 and 1,513,494
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Solution
The third proportional to 693,723 and 1,513,494 is: 3,301,986.65
Step by Step Solution
- Step 1: Write the proportion equation
693,723 : 1,513,494 = 1,513,494 : x - Step 2: Convert to fraction form
693,723/1,513,494 = 1,513,494/x - Step 3: Cross multiply
693,723x = 1,513,494 × 1,513,494 - Step 4: Simplify right side
693,723x = 2,290,664,088,036 - Step 5: Solve for x
x = 2,290,664,088,036/693,723 - Step 6: Final answer
x = 3,301,986.65
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.