Finding the Third Proportional to 75,630.75 and 165,015.75
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Solution
The third proportional to 75,630.75 and 165,015.75 is: 360,041.36
Step by Step Solution
- Step 1: Write the proportion equation
75,630.75 : 165,015.75 = 165,015.75 : x - Step 2: Convert to fraction form
75,630.75/165,015.75 = 165,015.75/x - Step 3: Cross multiply
75,630.75x = 165,015.75 × 165,015.75 - Step 4: Simplify right side
75,630.75x = 27,230,197,748.06 - Step 5: Solve for x
x = 27,230,197,748.06/75,630.75 - Step 6: Final answer
x = 360,041.36
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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.