Finding the Third Proportional to 66,972.75 and 91,203.75
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Solution
The third proportional to 66,972.75 and 91,203.75 is: 124,201.62
Step by Step Solution
- Step 1: Write the proportion equation
66,972.75 : 91,203.75 = 91,203.75 : x - Step 2: Convert to fraction form
66,972.75/91,203.75 = 91,203.75/x - Step 3: Cross multiply
66,972.75x = 91,203.75 × 91,203.75 - Step 4: Simplify right side
66,972.75x = 8,318,124,014.06 - Step 5: Solve for x
x = 8,318,124,014.06/66,972.75 - Step 6: Final answer
x = 124,201.62
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.