Finding the Third Proportional to 72,991.13 and 124,621.03
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Solution
The third proportional to 72,991.13 and 124,621.03 is: 212,771.09
Step by Step Solution
- Step 1: Write the proportion equation
72,991.13 : 124,621.03 = 124,621.03 : x - Step 2: Convert to fraction form
72,991.13/124,621.03 = 124,621.03/x - Step 3: Cross multiply
72,991.13x = 124,621.03 × 124,621.03 - Step 4: Simplify right side
72,991.13x = 15,530,401,429.81 - Step 5: Solve for x
x = 15,530,401,429.81/72,991.13 - Step 6: Final answer
x = 212,771.09
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Why These Related Problems?
These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.