Finding the Third Proportional to 128,873.53 and 282,669.75
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Solution
The third proportional to 128,873.53 and 282,669.75 is: 620,004.64
Step by Step Solution
- Step 1: Write the proportion equation
128,873.53 : 282,669.75 = 282,669.75 : x - Step 2: Convert to fraction form
128,873.53/282,669.75 = 282,669.75/x - Step 3: Cross multiply
128,873.53x = 282,669.75 × 282,669.75 - Step 4: Simplify right side
128,873.53x = 79,902,187,565.06 - Step 5: Solve for x
x = 79,902,187,565.06/128,873.53 - Step 6: Final answer
x = 620,004.64
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.