Finding the Third Proportional to 281,862,770 and 431,218,478
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Solution
The third proportional to 281,862,770 and 431,218,478 is: 659,715,987.92
Step by Step Solution
- Step 1: Write the proportion equation
281,862,770 : 431,218,478 = 431,218,478 : x - Step 2: Convert to fraction form
281,862,770/431,218,478 = 431,218,478/x - Step 3: Cross multiply
281,862,770x = 431,218,478 × 431,218,478 - Step 4: Simplify right side
281,862,770x = 185,949,375,768,636,480 - Step 5: Solve for x
x = 185,949,375,768,636,480/281,862,770 - Step 6: Final answer
x = 659,715,987.92
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.