Finding the Third Proportional to 985,479.75 and 1,089,159.75
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Solution
The third proportional to 985,479.75 and 1,089,159.75 is: 1,203,747.68
Step by Step Solution
- Step 1: Write the proportion equation
985,479.75 : 1,089,159.75 = 1,089,159.75 : x - Step 2: Convert to fraction form
985,479.75/1,089,159.75 = 1,089,159.75/x - Step 3: Cross multiply
985,479.75x = 1,089,159.75 × 1,089,159.75 - Step 4: Simplify right side
985,479.75x = 1,186,268,961,020.06 - Step 5: Solve for x
x = 1,186,268,961,020.06/985,479.75 - Step 6: Final answer
x = 1,203,747.68
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Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.