Finding the Third Proportional to 139,866.75 and 305,349.75
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Solution
The third proportional to 139,866.75 and 305,349.75 is: 666,623.55
Step by Step Solution
- Step 1: Write the proportion equation
139,866.75 : 305,349.75 = 305,349.75 : x - Step 2: Convert to fraction form
139,866.75/305,349.75 = 305,349.75/x - Step 3: Cross multiply
139,866.75x = 305,349.75 × 305,349.75 - Step 4: Simplify right side
139,866.75x = 93,238,469,825.06 - Step 5: Solve for x
x = 93,238,469,825.06/139,866.75 - Step 6: Final answer
x = 666,623.55
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.