Finding the Third Proportional to 834,207.75 and 1,821,321
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Solution
The third proportional to 834,207.75 and 1,821,321 is: 3,976,479.70
Step by Step Solution
- Step 1: Write the proportion equation
834,207.75 : 1,821,321 = 1,821,321 : x - Step 2: Convert to fraction form
834,207.75/1,821,321 = 1,821,321/x - Step 3: Cross multiply
834,207.75x = 1,821,321 × 1,821,321 - Step 4: Simplify right side
834,207.75x = 3,317,210,185,041 - Step 5: Solve for x
x = 3,317,210,185,041/834,207.75 - Step 6: Final answer
x = 3,976,479.70
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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.