Finding the Third Proportional to 65,386.13 and 138,618.84
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Solution
The third proportional to 65,386.13 and 138,618.84 is: 293,872.50
Step by Step Solution
- Step 1: Write the proportion equation
65,386.13 : 138,618.84 = 138,618.84 : x - Step 2: Convert to fraction form
65,386.13/138,618.84 = 138,618.84/x - Step 3: Cross multiply
65,386.13x = 138,618.84 × 138,618.84 - Step 4: Simplify right side
65,386.13x = 19,215,183,842.59 - Step 5: Solve for x
x = 19,215,183,842.59/65,386.13 - Step 6: Final answer
x = 293,872.50
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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.