Finding the Third Proportional to 196,921.13 and 217,221.75
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Solution
The third proportional to 196,921.13 and 217,221.75 is: 239,615.17
Step by Step Solution
- Step 1: Write the proportion equation
196,921.13 : 217,221.75 = 217,221.75 : x - Step 2: Convert to fraction form
196,921.13/217,221.75 = 217,221.75/x - Step 3: Cross multiply
196,921.13x = 217,221.75 × 217,221.75 - Step 4: Simplify right side
196,921.13x = 47,185,288,673.06 - Step 5: Solve for x
x = 47,185,288,673.06/196,921.13 - Step 6: Final answer
x = 239,615.17
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.