Finding the Third Proportional to 128,790.84 and 197,010.14
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Solution
The third proportional to 128,790.84 and 197,010.14 is: 301,364.56
Step by Step Solution
- Step 1: Write the proportion equation
128,790.84 : 197,010.14 = 197,010.14 : x - Step 2: Convert to fraction form
128,790.84/197,010.14 = 197,010.14/x - Step 3: Cross multiply
128,790.84x = 197,010.14 × 197,010.14 - Step 4: Simplify right side
128,790.84x = 38,812,995,509.08 - Step 5: Solve for x
x = 38,812,995,509.08/128,790.84 - Step 6: Final answer
x = 301,364.56
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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.