Finding the Third Proportional to 198,168,497 and 414,405,988
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Solution
The third proportional to 198,168,497 and 414,405,988 is: 866,597,494.00
Step by Step Solution
- Step 1: Write the proportion equation
198,168,497 : 414,405,988 = 414,405,988 : x - Step 2: Convert to fraction form
198,168,497/414,405,988 = 414,405,988/x - Step 3: Cross multiply
198,168,497x = 414,405,988 × 414,405,988 - Step 4: Simplify right side
198,168,497x = 171,732,322,890,256,128 - Step 5: Solve for x
x = 171,732,322,890,256,128/198,168,497 - Step 6: Final answer
x = 866,597,494.00
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.