Finding the Third Proportional to 397,122,068.25 and 612,431,145
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Solution
The third proportional to 397,122,068.25 and 612,431,145 is: 944,475,105.65
Step by Step Solution
- Step 1: Write the proportion equation
397,122,068.25 : 612,431,145 = 612,431,145 : x - Step 2: Convert to fraction form
397,122,068.25/612,431,145 = 612,431,145/x - Step 3: Cross multiply
397,122,068.25x = 612,431,145 × 612,431,145 - Step 4: Simplify right side
397,122,068.25x = 375,071,907,366,011,008 - Step 5: Solve for x
x = 375,071,907,366,011,008/397,122,068.25 - Step 6: Final answer
x = 944,475,105.65
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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.