Finding the Third Proportional to 314,585,974 and 488,441,843
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Solution
The third proportional to 314,585,974 and 488,441,843 is: 758,379,119.58
Step by Step Solution
- Step 1: Write the proportion equation
314,585,974 : 488,441,843 = 488,441,843 : x - Step 2: Convert to fraction form
314,585,974/488,441,843 = 488,441,843/x - Step 3: Cross multiply
314,585,974x = 488,441,843 × 488,441,843 - Step 4: Simplify right side
314,585,974x = 238,575,433,993,236,640 - Step 5: Solve for x
x = 238,575,433,993,236,640/314,585,974 - Step 6: Final answer
x = 758,379,119.58
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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.