Finding the Third Proportional to 74,221.75 and 161,763.75
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Solution
The third proportional to 74,221.75 and 161,763.75 is: 352,558.53
Step by Step Solution
- Step 1: Write the proportion equation
74,221.75 : 161,763.75 = 161,763.75 : x - Step 2: Convert to fraction form
74,221.75/161,763.75 = 161,763.75/x - Step 3: Cross multiply
74,221.75x = 161,763.75 × 161,763.75 - Step 4: Simplify right side
74,221.75x = 26,167,510,814.06 - Step 5: Solve for x
x = 26,167,510,814.06/74,221.75 - Step 6: Final answer
x = 352,558.53
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.