Finding the Third Proportional to 143,318.25 and 303,720.75
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Solution
The third proportional to 143,318.25 and 303,720.75 is: 643,646.53
Step by Step Solution
- Step 1: Write the proportion equation
143,318.25 : 303,720.75 = 303,720.75 : x - Step 2: Convert to fraction form
143,318.25/303,720.75 = 303,720.75/x - Step 3: Cross multiply
143,318.25x = 303,720.75 × 303,720.75 - Step 4: Simplify right side
143,318.25x = 92,246,293,980.56 - Step 5: Solve for x
x = 92,246,293,980.56/143,318.25 - Step 6: Final answer
x = 643,646.53
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.