Finding the Third Proportional to 2,221,879 and 3,318,259
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Solution
The third proportional to 2,221,879 and 3,318,259 is: 4,955,644.66
Step by Step Solution
- Step 1: Write the proportion equation
2,221,879 : 3,318,259 = 3,318,259 : x - Step 2: Convert to fraction form
2,221,879/3,318,259 = 3,318,259/x - Step 3: Cross multiply
2,221,879x = 3,318,259 × 3,318,259 - Step 4: Simplify right side
2,221,879x = 11,010,842,791,081 - Step 5: Solve for x
x = 11,010,842,791,081/2,221,879 - Step 6: Final answer
x = 4,955,644.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.