Finding the Third Proportional to 40,880 and 84,688
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Solution
The third proportional to 40,880 and 84,688 is: 175,441.72
Step by Step Solution
- Step 1: Write the proportion equation
40,880 : 84,688 = 84,688 : x - Step 2: Convert to fraction form
40,880/84,688 = 84,688/x - Step 3: Cross multiply
40,880x = 84,688 × 84,688 - Step 4: Simplify right side
40,880x = 7,172,057,344 - Step 5: Solve for x
x = 7,172,057,344/40,880 - Step 6: Final answer
x = 175,441.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.