Finding the Third Proportional to 612,408 and 1,313,408
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Solution
The third proportional to 612,408 and 1,313,408 is: 2,816,815.87
Step by Step Solution
- Step 1: Write the proportion equation
612,408 : 1,313,408 = 1,313,408 : x - Step 2: Convert to fraction form
612,408/1,313,408 = 1,313,408/x - Step 3: Cross multiply
612,408x = 1,313,408 × 1,313,408 - Step 4: Simplify right side
612,408x = 1,725,040,574,464 - Step 5: Solve for x
x = 1,725,040,574,464/612,408 - Step 6: Final answer
x = 2,816,815.87
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.