Finding the Third Proportional to 66,489.75 and 99,735.75
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Solution
The third proportional to 66,489.75 and 99,735.75 is: 149,605.31
Step by Step Solution
- Step 1: Write the proportion equation
66,489.75 : 99,735.75 = 99,735.75 : x - Step 2: Convert to fraction form
66,489.75/99,735.75 = 99,735.75/x - Step 3: Cross multiply
66,489.75x = 99,735.75 × 99,735.75 - Step 4: Simplify right side
66,489.75x = 9,947,219,828.06 - Step 5: Solve for x
x = 9,947,219,828.06/66,489.75 - Step 6: Final answer
x = 149,605.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.