Finding the Third Proportional to 78,643.13 and 125,090.44
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Solution
The third proportional to 78,643.13 and 125,090.44 is: 198,969.94
Step by Step Solution
- Step 1: Write the proportion equation
78,643.13 : 125,090.44 = 125,090.44 : x - Step 2: Convert to fraction form
78,643.13/125,090.44 = 125,090.44/x - Step 3: Cross multiply
78,643.13x = 125,090.44 × 125,090.44 - Step 4: Simplify right side
78,643.13x = 15,647,617,553.94 - Step 5: Solve for x
x = 15,647,617,553.94/78,643.13 - Step 6: Final answer
x = 198,969.94
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.