Finding the Third Proportional to 66,642.75 and 145,617.75
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Solution
The third proportional to 66,642.75 and 145,617.75 is: 318,182.08
Step by Step Solution
- Step 1: Write the proportion equation
66,642.75 : 145,617.75 = 145,617.75 : x - Step 2: Convert to fraction form
66,642.75/145,617.75 = 145,617.75/x - Step 3: Cross multiply
66,642.75x = 145,617.75 × 145,617.75 - Step 4: Simplify right side
66,642.75x = 21,204,529,115.06 - Step 5: Solve for x
x = 21,204,529,115.06/66,642.75 - Step 6: Final answer
x = 318,182.08
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.