Finding the Third Proportional to 78,840.75 and 125,511.75
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Solution
The third proportional to 78,840.75 and 125,511.75 is: 199,810.37
Step by Step Solution
- Step 1: Write the proportion equation
78,840.75 : 125,511.75 = 125,511.75 : x - Step 2: Convert to fraction form
78,840.75/125,511.75 = 125,511.75/x - Step 3: Cross multiply
78,840.75x = 125,511.75 × 125,511.75 - Step 4: Simplify right side
78,840.75x = 15,753,199,388.06 - Step 5: Solve for x
x = 15,753,199,388.06/78,840.75 - Step 6: Final answer
x = 199,810.37
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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.