Finding the Third Proportional to 99,819.84 and 216,239.63
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Solution
The third proportional to 99,819.84 and 216,239.63 is: 468,439.68
Step by Step Solution
- Step 1: Write the proportion equation
99,819.84 : 216,239.63 = 216,239.63 : x - Step 2: Convert to fraction form
99,819.84/216,239.63 = 216,239.63/x - Step 3: Cross multiply
99,819.84x = 216,239.63 × 216,239.63 - Step 4: Simplify right side
99,819.84x = 46,759,575,420.14 - Step 5: Solve for x
x = 46,759,575,420.14/99,819.84 - Step 6: Final answer
x = 468,439.68
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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.