Finding the Third Proportional to 19,965 and 30,908
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Solution
The third proportional to 19,965 and 30,908 is: 47,848.96
Step by Step Solution
- Step 1: Write the proportion equation
19,965 : 30,908 = 30,908 : x - Step 2: Convert to fraction form
19,965/30,908 = 30,908/x - Step 3: Cross multiply
19,965x = 30,908 × 30,908 - Step 4: Simplify right side
19,965x = 955,304,464 - Step 5: Solve for x
x = 955,304,464/19,965 - Step 6: Final answer
x = 47,848.96
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.