Finding the Third Proportional to 135,424.50 and 291,660
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Solution
The third proportional to 135,424.50 and 291,660 is: 628,140.08
Step by Step Solution
- Step 1: Write the proportion equation
135,424.50 : 291,660 = 291,660 : x - Step 2: Convert to fraction form
135,424.50/291,660 = 291,660/x - Step 3: Cross multiply
135,424.50x = 291,660 × 291,660 - Step 4: Simplify right side
135,424.50x = 85,065,555,600 - Step 5: Solve for x
x = 85,065,555,600/135,424.50 - Step 6: Final answer
x = 628,140.08
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.