Finding the Third Proportional to 194,292,270 and 420,869,628
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Solution
The third proportional to 194,292,270 and 420,869,628 is: 911,674,168.88
Step by Step Solution
- Step 1: Write the proportion equation
194,292,270 : 420,869,628 = 420,869,628 : x - Step 2: Convert to fraction form
194,292,270/420,869,628 = 420,869,628/x - Step 3: Cross multiply
194,292,270x = 420,869,628 × 420,869,628 - Step 4: Simplify right side
194,292,270x = 177,131,243,772,858,368 - Step 5: Solve for x
x = 177,131,243,772,858,368/194,292,270 - Step 6: Final answer
x = 911,674,168.88
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.