Finding the Third Proportional to 986,517 and 2,122,758
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Solution
The third proportional to 986,517 and 2,122,758 is: 4,567,687.66
Step by Step Solution
- Step 1: Write the proportion equation
986,517 : 2,122,758 = 2,122,758 : x - Step 2: Convert to fraction form
986,517/2,122,758 = 2,122,758/x - Step 3: Cross multiply
986,517x = 2,122,758 × 2,122,758 - Step 4: Simplify right side
986,517x = 4,506,101,526,564 - Step 5: Solve for x
x = 4,506,101,526,564/986,517 - Step 6: Final answer
x = 4,567,687.66
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.