Finding the Third Proportional to 128,805.19 and 197,052.75
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Solution
The third proportional to 128,805.19 and 197,052.75 is: 301,461.35
Step by Step Solution
- Step 1: Write the proportion equation
128,805.19 : 197,052.75 = 197,052.75 : x - Step 2: Convert to fraction form
128,805.19/197,052.75 = 197,052.75/x - Step 3: Cross multiply
128,805.19x = 197,052.75 × 197,052.75 - Step 4: Simplify right side
128,805.19x = 38,829,786,282.56 - Step 5: Solve for x
x = 38,829,786,282.56/128,805.19 - Step 6: Final answer
x = 301,461.35
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.