Finding the Third Proportional to 779 and 1,353.50
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Solution
The third proportional to 779 and 1,353.50 is: 2,351.68
Step by Step Solution
- Step 1: Write the proportion equation
779 : 1,353.50 = 1,353.50 : x - Step 2: Convert to fraction form
779/1,353.50 = 1,353.50/x - Step 3: Cross multiply
779x = 1,353.50 × 1,353.50 - Step 4: Simplify right side
779x = 1,831,962.25 - Step 5: Solve for x
x = 1,831,962.25/779 - Step 6: Final answer
x = 2,351.68
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Why These Related Problems?
These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.