Finding the Third Proportional to 747 and 1,008
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Solution
The third proportional to 747 and 1,008 is: 1,360.19
Step by Step Solution
- Step 1: Write the proportion equation
747 : 1,008 = 1,008 : x - Step 2: Convert to fraction form
747/1,008 = 1,008/x - Step 3: Cross multiply
747x = 1,008 × 1,008 - Step 4: Simplify right side
747x = 1,016,064 - Step 5: Solve for x
x = 1,016,064/747 - Step 6: Final answer
x = 1,360.19
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.