Finding the Third Proportional to 287,288,451 and 445,753,611
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Solution
The third proportional to 287,288,451 and 445,753,611 is: 691,626,415.99
Step by Step Solution
- Step 1: Write the proportion equation
287,288,451 : 445,753,611 = 445,753,611 : x - Step 2: Convert to fraction form
287,288,451/445,753,611 = 445,753,611/x - Step 3: Cross multiply
287,288,451x = 445,753,611 × 445,753,611 - Step 4: Simplify right side
287,288,451x = 198,696,281,719,539,328 - Step 5: Solve for x
x = 198,696,281,719,539,328/287,288,451 - Step 6: Final answer
x = 691,626,415.99
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.