Finding the Third Proportional to 612,720 and 897,720
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Solution
The third proportional to 612,720 and 897,720 is: 1,315,284.63
Step by Step Solution
- Step 1: Write the proportion equation
612,720 : 897,720 = 897,720 : x - Step 2: Convert to fraction form
612,720/897,720 = 897,720/x - Step 3: Cross multiply
612,720x = 897,720 × 897,720 - Step 4: Simplify right side
612,720x = 805,901,198,400 - Step 5: Solve for x
x = 805,901,198,400/612,720 - Step 6: Final answer
x = 1,315,284.63
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.