Finding the Third Proportional to 193,209.75 and 419,685.75
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Solution
The third proportional to 193,209.75 and 419,685.75 is: 911,631.68
Step by Step Solution
- Step 1: Write the proportion equation
193,209.75 : 419,685.75 = 419,685.75 : x - Step 2: Convert to fraction form
193,209.75/419,685.75 = 419,685.75/x - Step 3: Cross multiply
193,209.75x = 419,685.75 × 419,685.75 - Step 4: Simplify right side
193,209.75x = 176,136,128,753.06 - Step 5: Solve for x
x = 176,136,128,753.06/193,209.75 - Step 6: Final answer
x = 911,631.68
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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.