Finding the Third Proportional to 478,280 and 1,049,440
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Solution
The third proportional to 478,280 and 1,049,440 is: 2,302,676.91
Step by Step Solution
- Step 1: Write the proportion equation
478,280 : 1,049,440 = 1,049,440 : x - Step 2: Convert to fraction form
478,280/1,049,440 = 1,049,440/x - Step 3: Cross multiply
478,280x = 1,049,440 × 1,049,440 - Step 4: Simplify right side
478,280x = 1,101,324,313,600 - Step 5: Solve for x
x = 1,101,324,313,600/478,280 - Step 6: Final answer
x = 2,302,676.91
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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.