Finding the Third Proportional to 100,643.63 and 155,643.19
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Solution
The third proportional to 100,643.63 and 155,643.19 is: 240,698.82
Step by Step Solution
- Step 1: Write the proportion equation
100,643.63 : 155,643.19 = 155,643.19 : x - Step 2: Convert to fraction form
100,643.63/155,643.19 = 155,643.19/x - Step 3: Cross multiply
100,643.63x = 155,643.19 × 155,643.19 - Step 4: Simplify right side
100,643.63x = 24,224,801,815.16 - Step 5: Solve for x
x = 24,224,801,815.16/100,643.63 - Step 6: Final answer
x = 240,698.82
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.