Finding the Third Proportional to 9,116.75 and 19,920.75
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Solution
The third proportional to 9,116.75 and 19,920.75 is: 43,528.26
Step by Step Solution
- Step 1: Write the proportion equation
9,116.75 : 19,920.75 = 19,920.75 : x - Step 2: Convert to fraction form
9,116.75/19,920.75 = 19,920.75/x - Step 3: Cross multiply
9,116.75x = 19,920.75 × 19,920.75 - Step 4: Simplify right side
9,116.75x = 396,836,280.56 - Step 5: Solve for x
x = 396,836,280.56/9,116.75 - Step 6: Final answer
x = 43,528.26
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.