Finding the Third Proportional to 138,378.09 and 293,209.88
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Solution
The third proportional to 138,378.09 and 293,209.88 is: 621,283.53
Step by Step Solution
- Step 1: Write the proportion equation
138,378.09 : 293,209.88 = 293,209.88 : x - Step 2: Convert to fraction form
138,378.09/293,209.88 = 293,209.88/x - Step 3: Cross multiply
138,378.09x = 293,209.88 × 293,209.88 - Step 4: Simplify right side
138,378.09x = 85,972,030,797.52 - Step 5: Solve for x
x = 85,972,030,797.52/138,378.09 - Step 6: Final answer
x = 621,283.53
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.