Finding the Third Proportional to 317,378,998 and 490,218,024
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Solution
The third proportional to 317,378,998 and 490,218,024 is: 757,182,146.80
Step by Step Solution
- Step 1: Write the proportion equation
317,378,998 : 490,218,024 = 490,218,024 : x - Step 2: Convert to fraction form
317,378,998/490,218,024 = 490,218,024/x - Step 3: Cross multiply
317,378,998x = 490,218,024 × 490,218,024 - Step 4: Simplify right side
317,378,998x = 240,313,711,054,464,576 - Step 5: Solve for x
x = 240,313,711,054,464,576/317,378,998 - Step 6: Final answer
x = 757,182,146.80
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.