Finding the Third Proportional to 163,455.47 and 358,440.19
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Solution
The third proportional to 163,455.47 and 358,440.19 is: 786,020.61
Step by Step Solution
- Step 1: Write the proportion equation
163,455.47 : 358,440.19 = 358,440.19 : x - Step 2: Convert to fraction form
163,455.47/358,440.19 = 358,440.19/x - Step 3: Cross multiply
163,455.47x = 358,440.19 × 358,440.19 - Step 4: Simplify right side
163,455.47x = 128,479,368,015.04 - Step 5: Solve for x
x = 128,479,368,015.04/163,455.47 - Step 6: Final answer
x = 786,020.61
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.