Finding the Third Proportional to 338,922 and 669,340
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Solution
The third proportional to 338,922 and 669,340 is: 1,321,885.38
Step by Step Solution
- Step 1: Write the proportion equation
338,922 : 669,340 = 669,340 : x - Step 2: Convert to fraction form
338,922/669,340 = 669,340/x - Step 3: Cross multiply
338,922x = 669,340 × 669,340 - Step 4: Simplify right side
338,922x = 448,016,035,600 - Step 5: Solve for x
x = 448,016,035,600/338,922 - Step 6: Final answer
x = 1,321,885.38
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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.