Finding the Third Proportional to 135,191.81 and 312,959.81
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Solution
The third proportional to 135,191.81 and 312,959.81 is: 724,480.59
Step by Step Solution
- Step 1: Write the proportion equation
135,191.81 : 312,959.81 = 312,959.81 : x - Step 2: Convert to fraction form
135,191.81/312,959.81 = 312,959.81/x - Step 3: Cross multiply
135,191.81x = 312,959.81 × 312,959.81 - Step 4: Simplify right side
135,191.81x = 97,943,844,240.04 - Step 5: Solve for x
x = 97,943,844,240.04/135,191.81 - Step 6: Final answer
x = 724,480.59
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.