Finding the Third Proportional to 142,869.75 and 310,368.75
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Solution
The third proportional to 142,869.75 and 310,368.75 is: 674,241.82
Step by Step Solution
- Step 1: Write the proportion equation
142,869.75 : 310,368.75 = 310,368.75 : x - Step 2: Convert to fraction form
142,869.75/310,368.75 = 310,368.75/x - Step 3: Cross multiply
142,869.75x = 310,368.75 × 310,368.75 - Step 4: Simplify right side
142,869.75x = 96,328,760,976.56 - Step 5: Solve for x
x = 96,328,760,976.56/142,869.75 - Step 6: Final answer
x = 674,241.82
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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.