Finding the Third Proportional to 100,986.75 and 218,688.75
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Solution
The third proportional to 100,986.75 and 218,688.75 is: 473,574.70
Step by Step Solution
- Step 1: Write the proportion equation
100,986.75 : 218,688.75 = 218,688.75 : x - Step 2: Convert to fraction form
100,986.75/218,688.75 = 218,688.75/x - Step 3: Cross multiply
100,986.75x = 218,688.75 × 218,688.75 - Step 4: Simplify right side
100,986.75x = 47,824,769,376.56 - Step 5: Solve for x
x = 47,824,769,376.56/100,986.75 - Step 6: Final answer
x = 473,574.70
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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.