Finding the Third Proportional to 74,942 and 163,871
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Solution
The third proportional to 74,942 and 163,871 is: 358,326.50
Step by Step Solution
- Step 1: Write the proportion equation
74,942 : 163,871 = 163,871 : x - Step 2: Convert to fraction form
74,942/163,871 = 163,871/x - Step 3: Cross multiply
74,942x = 163,871 × 163,871 - Step 4: Simplify right side
74,942x = 26,853,704,641 - Step 5: Solve for x
x = 26,853,704,641/74,942 - Step 6: Final answer
x = 358,326.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.