Finding the Third Proportional to 258,411,974 and 397,197,099
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Solution
The third proportional to 258,411,974 and 397,197,099 is: 610,519,446.96
Step by Step Solution
- Step 1: Write the proportion equation
258,411,974 : 397,197,099 = 397,197,099 : x - Step 2: Convert to fraction form
258,411,974/397,197,099 = 397,197,099/x - Step 3: Cross multiply
258,411,974x = 397,197,099 × 397,197,099 - Step 4: Simplify right side
258,411,974x = 157,765,535,454,015,808 - Step 5: Solve for x
x = 157,765,535,454,015,808/258,411,974 - Step 6: Final answer
x = 610,519,446.96
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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.