Finding the Third Proportional to 262,612.13 and 411,528.09
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Solution
The third proportional to 262,612.13 and 411,528.09 is: 644,887.86
Step by Step Solution
- Step 1: Write the proportion equation
262,612.13 : 411,528.09 = 411,528.09 : x - Step 2: Convert to fraction form
262,612.13/411,528.09 = 411,528.09/x - Step 3: Cross multiply
262,612.13x = 411,528.09 × 411,528.09 - Step 4: Simplify right side
262,612.13x = 169,355,371,945.51 - Step 5: Solve for x
x = 169,355,371,945.51/262,612.13 - Step 6: Final answer
x = 644,887.86
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.