Finding the Third Proportional to 129,475.13 and 196,917.75
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Solution
The third proportional to 129,475.13 and 196,917.75 is: 299,490.73
Step by Step Solution
- Step 1: Write the proportion equation
129,475.13 : 196,917.75 = 196,917.75 : x - Step 2: Convert to fraction form
129,475.13/196,917.75 = 196,917.75/x - Step 3: Cross multiply
129,475.13x = 196,917.75 × 196,917.75 - Step 4: Simplify right side
129,475.13x = 38,776,600,265.06 - Step 5: Solve for x
x = 38,776,600,265.06/129,475.13 - Step 6: Final answer
x = 299,490.73
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.