Finding the Third Proportional to 168,189.75 and 260,691.75
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Solution
The third proportional to 168,189.75 and 260,691.75 is: 404,068.55
Step by Step Solution
- Step 1: Write the proportion equation
168,189.75 : 260,691.75 = 260,691.75 : x - Step 2: Convert to fraction form
168,189.75/260,691.75 = 260,691.75/x - Step 3: Cross multiply
168,189.75x = 260,691.75 × 260,691.75 - Step 4: Simplify right side
168,189.75x = 67,960,188,518.06 - Step 5: Solve for x
x = 67,960,188,518.06/168,189.75 - Step 6: Final answer
x = 404,068.55
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.