Finding the Third Proportional to 19,938 and 29,040
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Solution
The third proportional to 19,938 and 29,040 is: 42,297.20
Step by Step Solution
- Step 1: Write the proportion equation
19,938 : 29,040 = 29,040 : x - Step 2: Convert to fraction form
19,938/29,040 = 29,040/x - Step 3: Cross multiply
19,938x = 29,040 × 29,040 - Step 4: Simplify right side
19,938x = 843,321,600 - Step 5: Solve for x
x = 843,321,600/19,938 - Step 6: Final answer
x = 42,297.20
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.