Finding the Third Proportional to 294,440 and 638,664
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Solution
The third proportional to 294,440 and 638,664 is: 1,385,313.49
Step by Step Solution
- Step 1: Write the proportion equation
294,440 : 638,664 = 638,664 : x - Step 2: Convert to fraction form
294,440/638,664 = 638,664/x - Step 3: Cross multiply
294,440x = 638,664 × 638,664 - Step 4: Simplify right side
294,440x = 407,891,704,896 - Step 5: Solve for x
x = 407,891,704,896/294,440 - Step 6: Final answer
x = 1,385,313.49
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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.