Finding the Third Proportional to 77,724.75 and 91,917.75
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Solution
The third proportional to 77,724.75 and 91,917.75 is: 108,702.48
Step by Step Solution
- Step 1: Write the proportion equation
77,724.75 : 91,917.75 = 91,917.75 : x - Step 2: Convert to fraction form
77,724.75/91,917.75 = 91,917.75/x - Step 3: Cross multiply
77,724.75x = 91,917.75 × 91,917.75 - Step 4: Simplify right side
77,724.75x = 8,448,872,765.06 - Step 5: Solve for x
x = 8,448,872,765.06/77,724.75 - Step 6: Final answer
x = 108,702.48
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.