Finding the Third Proportional to 69,768 and 145,440
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Solution
The third proportional to 69,768 and 145,440 is: 303,187.62
Step by Step Solution
- Step 1: Write the proportion equation
69,768 : 145,440 = 145,440 : x - Step 2: Convert to fraction form
69,768/145,440 = 145,440/x - Step 3: Cross multiply
69,768x = 145,440 × 145,440 - Step 4: Simplify right side
69,768x = 21,152,793,600 - Step 5: Solve for x
x = 21,152,793,600/69,768 - Step 6: Final answer
x = 303,187.62
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.