Finding the Third Proportional to 28,153.75 and 61,207.75
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Solution
The third proportional to 28,153.75 and 61,207.75 is: 133,068.90
Step by Step Solution
- Step 1: Write the proportion equation
28,153.75 : 61,207.75 = 61,207.75 : x - Step 2: Convert to fraction form
28,153.75/61,207.75 = 61,207.75/x - Step 3: Cross multiply
28,153.75x = 61,207.75 × 61,207.75 - Step 4: Simplify right side
28,153.75x = 3,746,388,660.06 - Step 5: Solve for x
x = 3,746,388,660.06/28,153.75 - Step 6: Final answer
x = 133,068.90
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.