Finding the Third Proportional to 859,711 and 1,821,750
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Solution
The third proportional to 859,711 and 1,821,750 is: 3,860,335.70
Step by Step Solution
- Step 1: Write the proportion equation
859,711 : 1,821,750 = 1,821,750 : x - Step 2: Convert to fraction form
859,711/1,821,750 = 1,821,750/x - Step 3: Cross multiply
859,711x = 1,821,750 × 1,821,750 - Step 4: Simplify right side
859,711x = 3,318,773,062,500 - Step 5: Solve for x
x = 3,318,773,062,500/859,711 - Step 6: Final answer
x = 3,860,335.70
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.